421214990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{316703}}^1$

素因数の和:316736

約数の個数: 32

約数和(自身を含む): 912107520

約数和(自身を除く): 490892530

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 316703, 633406, 1583515, 2216921, 3167030, 4433842, 6017357, 11084605, 12034714, 22169210, 30086785, 42121499, 60173570, 84242998, 210607495, 421214990]

約数ペア:

[(1, 421214990), (2, 210607495), (5, 84242998), (7, 60173570), (10, 42121499), (14, 30086785), (19, 22169210), (35, 12034714), (38, 11084605), (70, 6017357), (95, 4433842), (133, 3167030), (190, 2216921), (266, 1583515), (665, 633406), (1330, 316703)]