296718920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{1033}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 687899520

約数和(自身を除く): 391180600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 167, 172, 215, 334, 344, 430, 668, 835, 860, 1033, 1336, 1670, 1720, 2066, 3340, 4132, 5165, 6680, 7181, 8264, 10330, 14362, 20660, 28724, 35905, 41320, 44419, 57448, 71810, 88838, 143620, 172511, 177676, 222095, 287240, 345022, 355352, 444190, 690044, 862555, 888380, 1380088, 1725110, 1776760, 3450220, 6900440, 7417973, 14835946, 29671892, 37089865, 59343784, 74179730, 148359460, 296718920]

約数ペア:

[(1, 296718920), (2, 148359460), (4, 74179730), (5, 59343784), (8, 37089865), (10, 29671892), (20, 14835946), (40, 7417973), (43, 6900440), (86, 3450220), (167, 1776760), (172, 1725110), (215, 1380088), (334, 888380), (344, 862555), (430, 690044), (668, 444190), (835, 355352), (860, 345022), (1033, 287240), (1336, 222095), (1670, 177676), (1720, 172511), (2066, 143620), (3340, 88838), (4132, 71810), (5165, 57448), (6680, 44419), (7181, 41320), (8264, 35905), (10330, 28724), (14362, 20660)]