202901140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{780389}}^1$

素因数の和:780411

約数の個数: 24

約数和(自身を含む): 458869320

約数和(自身を除く): 255968180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 780389, 1560778, 3121556, 3901945, 7803890, 10145057, 15607780, 20290114, 40580228, 50725285, 101450570, 202901140]

約数ペア:

[(1, 202901140), (2, 101450570), (4, 50725285), (5, 40580228), (10, 20290114), (13, 15607780), (20, 10145057), (26, 7803890), (52, 3901945), (65, 3121556), (130, 1560778), (260, 780389)]