1989000

素因数分解:

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

素因数の和:57

約数の個数: 192

約数和(自身を含む): 7665840

約数和(自身を除く): 5676840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 24, 25, 26, 30, 34, 36, 39, 40, 45, 50, 51, 52, 60, 65, 68, 72, 75, 78, 85, 90, 100, 102, 104, 117, 120, 125, 130, 136, 150, 153, 156, 170, 180, 195, 200, 204, 221, 225, 234, 250, 255, 260, 300, 306, 312, 325, 340, 360, 375, 390, 408, 425, 442, 450, 468, 500, 510, 520, 585, 600, 612, 650, 663, 680, 750, 765, 780, 850, 884, 900, 936, 975, 1000, 1020, 1105, 1125, 1170, 1224, 1275, 1300, 1326, 1500, 1530, 1560, 1625, 1700, 1768, 1800, 1950, 1989, 2040, 2125, 2210, 2250, 2340, 2550, 2600, 2652, 2925, 3000, 3060, 3250, 3315, 3400, 3825, 3900, 3978, 4250, 4420, 4500, 4680, 4875, 5100, 5304, 5525, 5850, 6120, 6375, 6500, 6630, 7650, 7800, 7956, 8500, 8840, 9000, 9750, 9945, 10200, 11050, 11700, 12750, 13000, 13260, 14625, 15300, 15912, 16575, 17000, 19125, 19500, 19890, 22100, 23400, 25500, 26520, 27625, 29250, 30600, 33150, 38250, 39000, 39780, 44200, 49725, 51000, 55250, 58500, 66300, 76500, 79560, 82875, 99450, 110500, 117000, 132600, 153000, 165750, 198900, 221000, 248625, 331500, 397800, 497250, 663000, 994500, 1989000]

約数ペア:

[(1, 1989000), (2, 994500), (3, 663000), (4, 497250), (5, 397800), (6, 331500), (8, 248625), (9, 221000), (10, 198900), (12, 165750), (13, 153000), (15, 132600), (17, 117000), (18, 110500), (20, 99450), (24, 82875), (25, 79560), (26, 76500), (30, 66300), (34, 58500), (36, 55250), (39, 51000), (40, 49725), (45, 44200), (50, 39780), (51, 39000), (52, 38250), (60, 33150), (65, 30600), (68, 29250), (72, 27625), (75, 26520), (78, 25500), (85, 23400), (90, 22100), (100, 19890), (102, 19500), (104, 19125), (117, 17000), (120, 16575), (125, 15912), (130, 15300), (136, 14625), (150, 13260), (153, 13000), (156, 12750), (170, 11700), (180, 11050), (195, 10200), (200, 9945), (204, 9750), (221, 9000), (225, 8840), (234, 8500), (250, 7956), (255, 7800), (260, 7650), (300, 6630), (306, 6500), (312, 6375), (325, 6120), (340, 5850), (360, 5525), (375, 5304), (390, 5100), (408, 4875), (425, 4680), (442, 4500), (450, 4420), (468, 4250), (500, 3978), (510, 3900), (520, 3825), (585, 3400), (600, 3315), (612, 3250), (650, 3060), (663, 3000), (680, 2925), (750, 2652), (765, 2600), (780, 2550), (850, 2340), (884, 2250), (900, 2210), (936, 2125), (975, 2040), (1000, 1989), (1020, 1950), (1105, 1800), (1125, 1768), (1170, 1700), (1224, 1625), (1275, 1560), (1300, 1530), (1326, 1500)]