139824580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6703}}^1$

素因数の和:6868

約数の個数: 48

約数和(自身を含む): 337881600

約数和(自身を除く): 198057020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 6703, 10430, 13406, 20860, 26812, 33515, 46921, 67030, 93842, 134060, 187684, 234605, 469210, 938420, 998747, 1997494, 3994988, 4993735, 6991229, 9987470, 13982458, 19974940, 27964916, 34956145, 69912290, 139824580]

約数ペア:

[(1, 139824580), (2, 69912290), (4, 34956145), (5, 27964916), (7, 19974940), (10, 13982458), (14, 9987470), (20, 6991229), (28, 4993735), (35, 3994988), (70, 1997494), (140, 998747), (149, 938420), (298, 469210), (596, 234605), (745, 187684), (1043, 134060), (1490, 93842), (2086, 67030), (2980, 46921), (4172, 33515), (5215, 26812), (6703, 20860), (10430, 13406)]