315027640

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{35317}}^1$

素因数の和:35551

約数の個数: 32

約数和(自身を含む): 712010880

約数和(自身を除く): 396983240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 35317, 70634, 141268, 176585, 282536, 353170, 706340, 1412680, 7875691, 15751382, 31502764, 39378455, 63005528, 78756910, 157513820, 315027640]

約数ペア:

[(1, 315027640), (2, 157513820), (4, 78756910), (5, 63005528), (8, 39378455), (10, 31502764), (20, 15751382), (40, 7875691), (223, 1412680), (446, 706340), (892, 353170), (1115, 282536), (1784, 176585), (2230, 141268), (4460, 70634), (8920, 35317)]