412558540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{8423}}^1$

素因数の和:8542

約数の個数: 48

約数和(自身を含む): 905748480

約数和(自身を除く): 493189940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2449, 4898, 8423, 9796, 12245, 16846, 24490, 33692, 42115, 48980, 84230, 168460, 261113, 522226, 665417, 1044452, 1305565, 1330834, 2611130, 2661668, 3327085, 5222260, 6654170, 13308340, 20627927, 41255854, 82511708, 103139635, 206279270, 412558540]

約数ペア:

[(1, 412558540), (2, 206279270), (4, 103139635), (5, 82511708), (10, 41255854), (20, 20627927), (31, 13308340), (62, 6654170), (79, 5222260), (124, 3327085), (155, 2661668), (158, 2611130), (310, 1330834), (316, 1305565), (395, 1044452), (620, 665417), (790, 522226), (1580, 261113), (2449, 168460), (4898, 84230), (8423, 48980), (9796, 42115), (12245, 33692), (16846, 24490)]