646990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:156

約数の個数: 32

約数和(自身を含む): 1270080

約数和(自身を除く): 623090

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 97, 115, 145, 194, 230, 290, 485, 667, 970, 1334, 2231, 2813, 3335, 4462, 5626, 6670, 11155, 14065, 22310, 28130, 64699, 129398, 323495, 646990]

約数ペア:

[(1, 646990), (2, 323495), (5, 129398), (10, 64699), (23, 28130), (29, 22310), (46, 14065), (58, 11155), (97, 6670), (115, 5626), (145, 4462), (194, 3335), (230, 2813), (290, 2231), (485, 1334), (667, 970)]