19991400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1$

素因数の和:276

約数の個数: 192

約数和(自身を含む): 73120320

約数和(自身を除く): 53128920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 25, 26, 30, 33, 39, 40, 44, 50, 52, 55, 60, 65, 66, 75, 78, 88, 100, 104, 110, 120, 130, 132, 143, 150, 156, 165, 195, 200, 220, 233, 260, 264, 275, 286, 300, 312, 325, 330, 390, 429, 440, 466, 520, 550, 572, 600, 650, 660, 699, 715, 780, 825, 858, 932, 975, 1100, 1144, 1165, 1300, 1320, 1398, 1430, 1560, 1650, 1716, 1864, 1950, 2145, 2200, 2330, 2563, 2600, 2796, 2860, 3029, 3300, 3432, 3495, 3575, 3900, 4290, 4660, 5126, 5592, 5720, 5825, 6058, 6600, 6990, 7150, 7689, 7800, 8580, 9087, 9320, 10252, 10725, 11650, 12116, 12815, 13980, 14300, 15145, 15378, 17160, 17475, 18174, 20504, 21450, 23300, 24232, 25630, 27960, 28600, 30290, 30756, 33319, 34950, 36348, 38445, 42900, 45435, 46600, 51260, 60580, 61512, 64075, 66638, 69900, 72696, 75725, 76890, 85800, 90870, 99957, 102520, 121160, 128150, 133276, 139800, 151450, 153780, 166595, 181740, 192225, 199914, 227175, 256300, 266552, 302900, 307560, 333190, 363480, 384450, 399828, 454350, 499785, 512600, 605800, 666380, 768900, 799656, 832975, 908700, 999570, 1332760, 1537800, 1665950, 1817400, 1999140, 2498925, 3331900, 3998280, 4997850, 6663800, 9995700, 19991400]

約数ペア:

[(1, 19991400), (2, 9995700), (3, 6663800), (4, 4997850), (5, 3998280), (6, 3331900), (8, 2498925), (10, 1999140), (11, 1817400), (12, 1665950), (13, 1537800), (15, 1332760), (20, 999570), (22, 908700), (24, 832975), (25, 799656), (26, 768900), (30, 666380), (33, 605800), (39, 512600), (40, 499785), (44, 454350), (50, 399828), (52, 384450), (55, 363480), (60, 333190), (65, 307560), (66, 302900), (75, 266552), (78, 256300), (88, 227175), (100, 199914), (104, 192225), (110, 181740), (120, 166595), (130, 153780), (132, 151450), (143, 139800), (150, 133276), (156, 128150), (165, 121160), (195, 102520), (200, 99957), (220, 90870), (233, 85800), (260, 76890), (264, 75725), (275, 72696), (286, 69900), (300, 66638), (312, 64075), (325, 61512), (330, 60580), (390, 51260), (429, 46600), (440, 45435), (466, 42900), (520, 38445), (550, 36348), (572, 34950), (600, 33319), (650, 30756), (660, 30290), (699, 28600), (715, 27960), (780, 25630), (825, 24232), (858, 23300), (932, 21450), (975, 20504), (1100, 18174), (1144, 17475), (1165, 17160), (1300, 15378), (1320, 15145), (1398, 14300), (1430, 13980), (1560, 12815), (1650, 12116), (1716, 11650), (1864, 10725), (1950, 10252), (2145, 9320), (2200, 9087), (2330, 8580), (2563, 7800), (2600, 7689), (2796, 7150), (2860, 6990), (3029, 6600), (3300, 6058), (3432, 5825), (3495, 5720), (3575, 5592), (3900, 5126), (4290, 4660)]