287927142920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2111}}^1\times {\mathrm{200579}}^1$

素因数の和:202718

約数の個数: 64

約数和(自身を含む): 686272435200

約数和(自身を除く): 398345292280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2111, 4222, 8444, 10555, 16888, 21110, 35887, 42220, 71774, 84440, 143548, 179435, 200579, 287096, 358870, 401158, 717740, 802316, 1002895, 1435480, 1604632, 2005790, 3409843, 4011580, 6819686, 8023160, 13639372, 17049215, 27278744, 34098430, 68196860, 136393720, 423422269, 846844538, 1693689076, 2117111345, 3387378152, 4234222690, 7198178573, 8468445380, 14396357146, 16936890760, 28792714292, 35990892865, 57585428584, 71981785730, 143963571460, 287927142920]

約数ペア:

[(1, 287927142920), (2, 143963571460), (4, 71981785730), (5, 57585428584), (8, 35990892865), (10, 28792714292), (17, 16936890760), (20, 14396357146), (34, 8468445380), (40, 7198178573), (68, 4234222690), (85, 3387378152), (136, 2117111345), (170, 1693689076), (340, 846844538), (680, 423422269), (2111, 136393720), (4222, 68196860), (8444, 34098430), (10555, 27278744), (16888, 17049215), (21110, 13639372), (35887, 8023160), (42220, 6819686), (71774, 4011580), (84440, 3409843), (143548, 2005790), (179435, 1604632), (200579, 1435480), (287096, 1002895), (358870, 802316), (401158, 717740)]