199070180

素因数分解:

$2^2\times 5^1\times {\mathrm{2141}}^1\times {\mathrm{4649}}^1$

素因数の和:6799

約数の個数: 24

約数和(自身を含む): 418332600

約数和(自身を除く): 219262420

約数列:

[1, 2, 4, 5, 10, 20, 2141, 4282, 4649, 8564, 9298, 10705, 18596, 21410, 23245, 42820, 46490, 92980, 9953509, 19907018, 39814036, 49767545, 99535090, 199070180]

約数ペア:

[(1, 199070180), (2, 99535090), (4, 49767545), (5, 39814036), (10, 19907018), (20, 9953509), (2141, 92980), (4282, 46490), (4649, 42820), (8564, 23245), (9298, 21410), (10705, 18596)]