212858180

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{44531}}^1$

素因数の和:44779

約数の個数: 24

約数和(自身を含む): 448882560

約数和(自身を除く): 236024380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 44531, 89062, 178124, 222655, 445310, 890620, 10642909, 21285818, 42571636, 53214545, 106429090, 212858180]

約数ペア:

[(1, 212858180), (2, 106429090), (4, 53214545), (5, 42571636), (10, 21285818), (20, 10642909), (239, 890620), (478, 445310), (956, 222655), (1195, 178124), (2390, 89062), (4780, 44531)]