12509210

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{521}}^1$

素因数の和:556

約数の個数: 40

約数和(自身を含む): 26318196

約数和(自身を除く): 13808986

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 521, 686, 1042, 1715, 2401, 2605, 3430, 3647, 4802, 5210, 7294, 12005, 18235, 24010, 25529, 36470, 51058, 127645, 178703, 255290, 357406, 893515, 1250921, 1787030, 2501842, 6254605, 12509210]

約数ペア:

[(1, 12509210), (2, 6254605), (5, 2501842), (7, 1787030), (10, 1250921), (14, 893515), (35, 357406), (49, 255290), (70, 178703), (98, 127645), (245, 51058), (343, 36470), (490, 25529), (521, 24010), (686, 18235), (1042, 12005), (1715, 7294), (2401, 5210), (2605, 4802), (3430, 3647)]