888903140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{10939}}^1$

素因数の和:11204

約数の個数: 48

約数和(自身を含む): 1984953600

約数和(自身を除く): 1096050460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 239, 340, 478, 956, 1195, 2390, 4063, 4780, 8126, 10939, 16252, 20315, 21878, 40630, 43756, 54695, 81260, 109390, 185963, 218780, 371926, 743852, 929815, 1859630, 2614421, 3719260, 5228842, 10457684, 13072105, 26144210, 44445157, 52288420, 88890314, 177780628, 222225785, 444451570, 888903140]

約数ペア:

[(1, 888903140), (2, 444451570), (4, 222225785), (5, 177780628), (10, 88890314), (17, 52288420), (20, 44445157), (34, 26144210), (68, 13072105), (85, 10457684), (170, 5228842), (239, 3719260), (340, 2614421), (478, 1859630), (956, 929815), (1195, 743852), (2390, 371926), (4063, 218780), (4780, 185963), (8126, 109390), (10939, 81260), (16252, 54695), (20315, 43756), (21878, 40630)]