179905580

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{827}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 386013600

約数和(自身を除く): 206108020

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 149, 292, 298, 365, 596, 730, 745, 827, 1460, 1490, 1654, 2980, 3308, 4135, 8270, 10877, 16540, 21754, 43508, 54385, 60371, 108770, 120742, 123223, 217540, 241484, 246446, 301855, 492892, 603710, 616115, 1207420, 1232230, 2464460, 8995279, 17990558, 35981116, 44976395, 89952790, 179905580]

約数ペア:

[(1, 179905580), (2, 89952790), (4, 44976395), (5, 35981116), (10, 17990558), (20, 8995279), (73, 2464460), (146, 1232230), (149, 1207420), (292, 616115), (298, 603710), (365, 492892), (596, 301855), (730, 246446), (745, 241484), (827, 217540), (1460, 123223), (1490, 120742), (1654, 108770), (2980, 60371), (3308, 54385), (4135, 43508), (8270, 21754), (10877, 16540)]