78868400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1$

素因数の和:583

約数の個数: 120

約数和(自身を含む): 211496880

約数和(自身を除く): 132628480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 40, 50, 52, 58, 65, 80, 100, 104, 116, 130, 145, 200, 208, 232, 260, 290, 325, 377, 400, 464, 520, 523, 580, 650, 725, 754, 1040, 1046, 1160, 1300, 1450, 1508, 1885, 2092, 2320, 2600, 2615, 2900, 3016, 3770, 4184, 5200, 5230, 5800, 6032, 6799, 7540, 8368, 9425, 10460, 11600, 13075, 13598, 15080, 15167, 18850, 20920, 26150, 27196, 30160, 30334, 33995, 37700, 41840, 52300, 54392, 60668, 67990, 75400, 75835, 104600, 108784, 121336, 135980, 150800, 151670, 169975, 197171, 209200, 242672, 271960, 303340, 339950, 379175, 394342, 543920, 606680, 679900, 758350, 788684, 985855, 1213360, 1359800, 1516700, 1577368, 1971710, 2719600, 3033400, 3154736, 3943420, 4929275, 6066800, 7886840, 9858550, 15773680, 19717100, 39434200, 78868400]

約数ペア:

[(1, 78868400), (2, 39434200), (4, 19717100), (5, 15773680), (8, 9858550), (10, 7886840), (13, 6066800), (16, 4929275), (20, 3943420), (25, 3154736), (26, 3033400), (29, 2719600), (40, 1971710), (50, 1577368), (52, 1516700), (58, 1359800), (65, 1213360), (80, 985855), (100, 788684), (104, 758350), (116, 679900), (130, 606680), (145, 543920), (200, 394342), (208, 379175), (232, 339950), (260, 303340), (290, 271960), (325, 242672), (377, 209200), (400, 197171), (464, 169975), (520, 151670), (523, 150800), (580, 135980), (650, 121336), (725, 108784), (754, 104600), (1040, 75835), (1046, 75400), (1160, 67990), (1300, 60668), (1450, 54392), (1508, 52300), (1885, 41840), (2092, 37700), (2320, 33995), (2600, 30334), (2615, 30160), (2900, 27196), (3016, 26150), (3770, 20920), (4184, 18850), (5200, 15167), (5230, 15080), (5800, 13598), (6032, 13075), (6799, 11600), (7540, 10460), (8368, 9425)]