891253930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{85451}}^1$

素因数の和:85614

約数の個数: 32

約数和(自身を含む): 1845763200

約数和(自身を除く): 954509270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 10430, 85451, 170902, 427255, 598157, 854510, 1196314, 2990785, 5981570, 12732199, 25464398, 63660995, 89125393, 127321990, 178250786, 445626965, 891253930]

約数ペア:

[(1, 891253930), (2, 445626965), (5, 178250786), (7, 127321990), (10, 89125393), (14, 63660995), (35, 25464398), (70, 12732199), (149, 5981570), (298, 2990785), (745, 1196314), (1043, 854510), (1490, 598157), (2086, 427255), (5215, 170902), (10430, 85451)]