90415870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{1019}}^1$

素因数の和:1512

約数の個数: 32

約数和(自身を含む): 171849600

約数和(自身を除く): 81433730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 467, 934, 1019, 2038, 2335, 4670, 5095, 8873, 10190, 17746, 19361, 38722, 44365, 88730, 96805, 193610, 475873, 951746, 2379365, 4758730, 9041587, 18083174, 45207935, 90415870]

約数ペア:

[(1, 90415870), (2, 45207935), (5, 18083174), (10, 9041587), (19, 4758730), (38, 2379365), (95, 951746), (190, 475873), (467, 193610), (934, 96805), (1019, 88730), (2038, 44365), (2335, 38722), (4670, 19361), (5095, 17746), (8873, 10190)]