1520776790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{508621}}^1$

素因数の和:508664

約数の個数: 32

約数和(自身を含む): 3076145856

約数和(自身を除く): 1555369066

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 508621, 1017242, 2543105, 5086210, 6612073, 11698283, 13224146, 23396566, 33060365, 58491415, 66120730, 116982830, 152077679, 304155358, 760388395, 1520776790]

約数ペア:

[(1, 1520776790), (2, 760388395), (5, 304155358), (10, 152077679), (13, 116982830), (23, 66120730), (26, 58491415), (46, 33060365), (65, 23396566), (115, 13224146), (130, 11698283), (230, 6612073), (299, 5086210), (598, 2543105), (1495, 1017242), (2990, 508621)]