251285500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 611485056

約数和(自身を除く): 360199556

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 37, 47, 50, 68, 74, 85, 94, 100, 125, 148, 170, 185, 188, 235, 250, 289, 340, 370, 425, 470, 500, 578, 629, 740, 799, 850, 925, 940, 1156, 1175, 1258, 1445, 1598, 1700, 1739, 1850, 2125, 2350, 2516, 2890, 3145, 3196, 3478, 3700, 3995, 4250, 4625, 4700, 5780, 5875, 6290, 6956, 7225, 7990, 8500, 8695, 9250, 10693, 11750, 12580, 13583, 14450, 15725, 15980, 17390, 18500, 19975, 21386, 23500, 27166, 28900, 29563, 31450, 34780, 36125, 39950, 42772, 43475, 53465, 54332, 59126, 62900, 67915, 72250, 78625, 79900, 86950, 99875, 106930, 118252, 135830, 144500, 147815, 157250, 173900, 199750, 213860, 217375, 267325, 271660, 295630, 314500, 339575, 399500, 434750, 502571, 534650, 591260, 679150, 739075, 869500, 1005142, 1069300, 1336625, 1358300, 1478150, 1697875, 2010284, 2512855, 2673250, 2956300, 3395750, 3695375, 5025710, 5346500, 6791500, 7390750, 10051420, 12564275, 14781500, 25128550, 50257100, 62821375, 125642750, 251285500]

約数ペア:

[(1, 251285500), (2, 125642750), (4, 62821375), (5, 50257100), (10, 25128550), (17, 14781500), (20, 12564275), (25, 10051420), (34, 7390750), (37, 6791500), (47, 5346500), (50, 5025710), (68, 3695375), (74, 3395750), (85, 2956300), (94, 2673250), (100, 2512855), (125, 2010284), (148, 1697875), (170, 1478150), (185, 1358300), (188, 1336625), (235, 1069300), (250, 1005142), (289, 869500), (340, 739075), (370, 679150), (425, 591260), (470, 534650), (500, 502571), (578, 434750), (629, 399500), (740, 339575), (799, 314500), (850, 295630), (925, 271660), (940, 267325), (1156, 217375), (1175, 213860), (1258, 199750), (1445, 173900), (1598, 157250), (1700, 147815), (1739, 144500), (1850, 135830), (2125, 118252), (2350, 106930), (2516, 99875), (2890, 86950), (3145, 79900), (3196, 78625), (3478, 72250), (3700, 67915), (3995, 62900), (4250, 59126), (4625, 54332), (4700, 53465), (5780, 43475), (5875, 42772), (6290, 39950), (6956, 36125), (7225, 34780), (7990, 31450), (8500, 29563), (8695, 28900), (9250, 27166), (10693, 23500), (11750, 21386), (12580, 19975), (13583, 18500), (14450, 17390), (15725, 15980)]