251041160

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{577}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 577422000

約数和(自身を除く): 326380840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 149, 292, 298, 365, 577, 584, 596, 730, 745, 1154, 1192, 1460, 1490, 2308, 2885, 2920, 2980, 4616, 5770, 5960, 10877, 11540, 21754, 23080, 42121, 43508, 54385, 84242, 85973, 87016, 108770, 168484, 171946, 210605, 217540, 336968, 343892, 421210, 429865, 435080, 687784, 842420, 859730, 1684840, 1719460, 3438920, 6276029, 12552058, 25104116, 31380145, 50208232, 62760290, 125520580, 251041160]

約数ペア:

[(1, 251041160), (2, 125520580), (4, 62760290), (5, 50208232), (8, 31380145), (10, 25104116), (20, 12552058), (40, 6276029), (73, 3438920), (146, 1719460), (149, 1684840), (292, 859730), (298, 842420), (365, 687784), (577, 435080), (584, 429865), (596, 421210), (730, 343892), (745, 336968), (1154, 217540), (1192, 210605), (1460, 171946), (1490, 168484), (2308, 108770), (2885, 87016), (2920, 85973), (2980, 84242), (4616, 54385), (5770, 43508), (5960, 42121), (10877, 23080), (11540, 21754)]