198900000

素因数分解:

$2^5\times 3^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:71

約数の個数: 432

約数和(自身を含む): 806151528

約数和(自身を除く): 607251528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 25, 26, 30, 32, 34, 36, 39, 40, 45, 48, 50, 51, 52, 60, 65, 68, 72, 75, 78, 80, 85, 90, 96, 100, 102, 104, 117, 120, 125, 130, 136, 144, 150, 153, 156, 160, 170, 180, 195, 200, 204, 208, 221, 225, 234, 240, 250, 255, 260, 272, 288, 300, 306, 312, 325, 340, 360, 375, 390, 400, 408, 416, 425, 442, 450, 468, 480, 500, 510, 520, 544, 585, 600, 612, 624, 625, 650, 663, 680, 720, 750, 765, 780, 800, 816, 850, 884, 900, 936, 975, 1000, 1020, 1040, 1105, 1125, 1170, 1200, 1224, 1248, 1250, 1275, 1300, 1326, 1360, 1440, 1500, 1530, 1560, 1625, 1632, 1700, 1768, 1800, 1872, 1875, 1950, 1989, 2000, 2040, 2080, 2125, 2210, 2250, 2340, 2400, 2448, 2500, 2550, 2600, 2652, 2720, 2925, 3000, 3060, 3120, 3125, 3250, 3315, 3400, 3536, 3600, 3744, 3750, 3825, 3900, 3978, 4000, 4080, 4250, 4420, 4500, 4680, 4875, 4896, 5000, 5100, 5200, 5304, 5525, 5625, 5850, 6000, 6120, 6240, 6250, 6375, 6500, 6630, 6800, 7072, 7200, 7500, 7650, 7800, 7956, 8125, 8160, 8500, 8840, 9000, 9360, 9375, 9750, 9945, 10000, 10200, 10400, 10608, 10625, 11050, 11250, 11700, 12000, 12240, 12500, 12750, 13000, 13260, 13600, 14625, 15000, 15300, 15600, 15912, 16250, 16575, 17000, 17680, 18000, 18720, 18750, 19125, 19500, 19890, 20000, 20400, 21216, 21250, 22100, 22500, 23400, 24375, 24480, 25000, 25500, 26000, 26520, 27625, 28125, 29250, 30000, 30600, 31200, 31824, 31875, 32500, 33150, 34000, 35360, 36000, 37500, 38250, 39000, 39780, 40625, 40800, 42500, 44200, 45000, 46800, 48750, 49725, 50000, 51000, 52000, 53040, 53125, 55250, 56250, 58500, 60000, 61200, 63648, 63750, 65000, 66300, 68000, 73125, 75000, 76500, 78000, 79560, 81250, 82875, 85000, 88400, 90000, 93600, 95625, 97500, 99450, 100000, 102000, 106080, 106250, 110500, 112500, 117000, 121875, 122400, 127500, 130000, 132600, 138125, 146250, 150000, 153000, 156000, 159120, 159375, 162500, 165750, 170000, 176800, 180000, 191250, 195000, 198900, 204000, 212500, 221000, 225000, 234000, 243750, 248625, 255000, 260000, 265200, 276250, 292500, 300000, 306000, 318240, 318750, 325000, 331500, 340000, 365625, 382500, 390000, 397800, 414375, 425000, 442000, 450000, 468000, 478125, 487500, 497250, 510000, 530400, 552500, 585000, 612000, 637500, 650000, 663000, 690625, 731250, 765000, 780000, 795600, 828750, 850000, 884000, 900000, 956250, 975000, 994500, 1020000, 1105000, 1170000, 1243125, 1275000, 1300000, 1326000, 1381250, 1462500, 1530000, 1591200, 1657500, 1700000, 1912500, 1950000, 1989000, 2071875, 2210000, 2340000, 2486250, 2550000, 2652000, 2762500, 2925000, 3060000, 3315000, 3825000, 3900000, 3978000, 4143750, 4420000, 4972500, 5100000, 5525000, 5850000, 6215625, 6630000, 7650000, 7956000, 8287500, 9945000, 11050000, 11700000, 12431250, 13260000, 15300000, 16575000, 19890000, 22100000, 24862500, 33150000, 39780000, 49725000, 66300000, 99450000, 198900000]

約数ペア:

[(1, 198900000), (2, 99450000), (3, 66300000), (4, 49725000), (5, 39780000), (6, 33150000), (8, 24862500), (9, 22100000), (10, 19890000), (12, 16575000), (13, 15300000), (15, 13260000), (16, 12431250), (17, 11700000), (18, 11050000), (20, 9945000), (24, 8287500), (25, 7956000), (26, 7650000), (30, 6630000), (32, 6215625), (34, 5850000), (36, 5525000), (39, 5100000), (40, 4972500), (45, 4420000), (48, 4143750), (50, 3978000), (51, 3900000), (52, 3825000), (60, 3315000), (65, 3060000), (68, 2925000), (72, 2762500), (75, 2652000), (78, 2550000), (80, 2486250), (85, 2340000), (90, 2210000), (96, 2071875), (100, 1989000), (102, 1950000), (104, 1912500), (117, 1700000), (120, 1657500), (125, 1591200), (130, 1530000), (136, 1462500), (144, 1381250), (150, 1326000), (153, 1300000), (156, 1275000), (160, 1243125), (170, 1170000), (180, 1105000), (195, 1020000), (200, 994500), (204, 975000), (208, 956250), (221, 900000), (225, 884000), (234, 850000), (240, 828750), (250, 795600), (255, 780000), (260, 765000), (272, 731250), (288, 690625), (300, 663000), (306, 650000), (312, 637500), (325, 612000), (340, 585000), (360, 552500), (375, 530400), (390, 510000), (400, 497250), (408, 487500), (416, 478125), (425, 468000), (442, 450000), (450, 442000), (468, 425000), (480, 414375), (500, 397800), (510, 390000), (520, 382500), (544, 365625), (585, 340000), (600, 331500), (612, 325000), (624, 318750), (625, 318240), (650, 306000), (663, 300000), (680, 292500), (720, 276250), (750, 265200), (765, 260000), (780, 255000), (800, 248625), (816, 243750), (850, 234000), (884, 225000), (900, 221000), (936, 212500), (975, 204000), (1000, 198900), (1020, 195000), (1040, 191250), (1105, 180000), (1125, 176800), (1170, 170000), (1200, 165750), (1224, 162500), (1248, 159375), (1250, 159120), (1275, 156000), (1300, 153000), (1326, 150000), (1360, 146250), (1440, 138125), (1500, 132600), (1530, 130000), (1560, 127500), (1625, 122400), (1632, 121875), (1700, 117000), (1768, 112500), (1800, 110500), (1872, 106250), (1875, 106080), (1950, 102000), (1989, 100000), (2000, 99450), (2040, 97500), (2080, 95625), (2125, 93600), (2210, 90000), (2250, 88400), (2340, 85000), (2400, 82875), (2448, 81250), (2500, 79560), (2550, 78000), (2600, 76500), (2652, 75000), (2720, 73125), (2925, 68000), (3000, 66300), (3060, 65000), (3120, 63750), (3125, 63648), (3250, 61200), (3315, 60000), (3400, 58500), (3536, 56250), (3600, 55250), (3744, 53125), (3750, 53040), (3825, 52000), (3900, 51000), (3978, 50000), (4000, 49725), (4080, 48750), (4250, 46800), (4420, 45000), (4500, 44200), (4680, 42500), (4875, 40800), (4896, 40625), (5000, 39780), (5100, 39000), (5200, 38250), (5304, 37500), (5525, 36000), (5625, 35360), (5850, 34000), (6000, 33150), (6120, 32500), (6240, 31875), (6250, 31824), (6375, 31200), (6500, 30600), (6630, 30000), (6800, 29250), (7072, 28125), (7200, 27625), (7500, 26520), (7650, 26000), (7800, 25500), (7956, 25000), (8125, 24480), (8160, 24375), (8500, 23400), (8840, 22500), (9000, 22100), (9360, 21250), (9375, 21216), (9750, 20400), (9945, 20000), (10000, 19890), (10200, 19500), (10400, 19125), (10608, 18750), (10625, 18720), (11050, 18000), (11250, 17680), (11700, 17000), (12000, 16575), (12240, 16250), (12500, 15912), (12750, 15600), (13000, 15300), (13260, 15000), (13600, 14625)]