138800220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{177949}}^1$

素因数の和:177974

約数の個数: 48

約数和(自身を含む): 418538400

約数和(自身を除く): 279738180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 177949, 355898, 533847, 711796, 889745, 1067694, 1779490, 2135388, 2313337, 2669235, 3558980, 4626674, 5338470, 6940011, 9253348, 10676940, 11566685, 13880022, 23133370, 27760044, 34700055, 46266740, 69400110, 138800220]

約数ペア:

[(1, 138800220), (2, 69400110), (3, 46266740), (4, 34700055), (5, 27760044), (6, 23133370), (10, 13880022), (12, 11566685), (13, 10676940), (15, 9253348), (20, 6940011), (26, 5338470), (30, 4626674), (39, 3558980), (52, 2669235), (60, 2313337), (65, 2135388), (78, 1779490), (130, 1067694), (156, 889745), (195, 711796), (260, 533847), (390, 355898), (780, 177949)]