211192010

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{991}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 386118144

約数和(自身を除く): 174926134

約数列:

[1, 2, 5, 10, 101, 202, 211, 422, 505, 991, 1010, 1055, 1982, 2110, 4955, 9910, 21311, 42622, 100091, 106555, 200182, 209101, 213110, 418202, 500455, 1000910, 1045505, 2091010, 21119201, 42238402, 105596005, 211192010]

約数ペア:

[(1, 211192010), (2, 105596005), (5, 42238402), (10, 21119201), (101, 2091010), (202, 1045505), (211, 1000910), (422, 500455), (505, 418202), (991, 213110), (1010, 209101), (1055, 200182), (1982, 106555), (2110, 100091), (4955, 42622), (9910, 21311)]