74851390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1597}}^1$

素因数の和:1756

約数の個数: 32

約数和(自身を含む): 139217760

約数和(自身を除く): 64366370

約数列:

[1, 2, 5, 10, 43, 86, 109, 215, 218, 430, 545, 1090, 1597, 3194, 4687, 7985, 9374, 15970, 23435, 46870, 68671, 137342, 174073, 343355, 348146, 686710, 870365, 1740730, 7485139, 14970278, 37425695, 74851390]

約数ペア:

[(1, 74851390), (2, 37425695), (5, 14970278), (10, 7485139), (43, 1740730), (86, 870365), (109, 686710), (215, 348146), (218, 343355), (430, 174073), (545, 137342), (1090, 68671), (1597, 46870), (3194, 23435), (4687, 15970), (7985, 9374)]