157430480

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3533}}^1$

素因数の和:4103

約数の個数: 40

約数和(自身を含む): 366786792

約数和(自身を除く): 209356312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 3533, 4456, 5570, 7066, 8912, 11140, 14132, 17665, 22280, 28264, 35330, 44560, 56528, 70660, 141320, 282640, 1967881, 3935762, 7871524, 9839405, 15743048, 19678810, 31486096, 39357620, 78715240, 157430480]

約数ペア:

[(1, 157430480), (2, 78715240), (4, 39357620), (5, 31486096), (8, 19678810), (10, 15743048), (16, 9839405), (20, 7871524), (40, 3935762), (80, 1967881), (557, 282640), (1114, 141320), (2228, 70660), (2785, 56528), (3533, 44560), (4456, 35330), (5570, 28264), (7066, 22280), (8912, 17665), (11140, 14132)]