385820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 822528

約数和(自身を除く): 436708

約数列:

[1, 2, 4, 5, 10, 20, 101, 191, 202, 382, 404, 505, 764, 955, 1010, 1910, 2020, 3820, 19291, 38582, 77164, 96455, 192910, 385820]

約数ペア:

[(1, 385820), (2, 192910), (4, 96455), (5, 77164), (10, 38582), (20, 19291), (101, 3820), (191, 2020), (202, 1910), (382, 1010), (404, 955), (505, 764)]