678673940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4847671}}^1$

素因数の和:4847687

約数の個数: 24

約数和(自身を含む): 1628817792

約数和(自身を除く): 950143852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4847671, 9695342, 19390684, 24238355, 33933697, 48476710, 67867394, 96953420, 135734788, 169668485, 339336970, 678673940]

約数ペア:

[(1, 678673940), (2, 339336970), (4, 169668485), (5, 135734788), (7, 96953420), (10, 67867394), (14, 48476710), (20, 33933697), (28, 24238355), (35, 19390684), (70, 9695342), (140, 4847671)]