418164440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2017}}^1$

素因数の和:2172

約数の個数: 64

約数和(自身を含む): 967671360

約数和(自身を除く): 549506920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 73, 142, 146, 284, 292, 355, 365, 568, 584, 710, 730, 1420, 1460, 2017, 2840, 2920, 4034, 5183, 8068, 10085, 10366, 16136, 20170, 20732, 25915, 40340, 41464, 51830, 80680, 103660, 143207, 147241, 207320, 286414, 294482, 572828, 588964, 716035, 736205, 1145656, 1177928, 1432070, 1472410, 2864140, 2944820, 5728280, 5889640, 10454111, 20908222, 41816444, 52270555, 83632888, 104541110, 209082220, 418164440]

約数ペア:

[(1, 418164440), (2, 209082220), (4, 104541110), (5, 83632888), (8, 52270555), (10, 41816444), (20, 20908222), (40, 10454111), (71, 5889640), (73, 5728280), (142, 2944820), (146, 2864140), (284, 1472410), (292, 1432070), (355, 1177928), (365, 1145656), (568, 736205), (584, 716035), (710, 588964), (730, 572828), (1420, 294482), (1460, 286414), (2017, 207320), (2840, 147241), (2920, 143207), (4034, 103660), (5183, 80680), (8068, 51830), (10085, 41464), (10366, 40340), (16136, 25915), (20170, 20732)]