74135620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{733}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 168320880

約数和(自身を除く): 94185260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 733, 778, 1466, 1556, 1945, 2932, 3665, 3890, 5057, 7330, 7780, 9529, 10114, 14660, 19058, 20228, 25285, 38116, 47645, 50570, 95290, 101140, 190580, 285137, 570274, 1140548, 1425685, 2851370, 3706781, 5702740, 7413562, 14827124, 18533905, 37067810, 74135620]

約数ペア:

[(1, 74135620), (2, 37067810), (4, 18533905), (5, 14827124), (10, 7413562), (13, 5702740), (20, 3706781), (26, 2851370), (52, 1425685), (65, 1140548), (130, 570274), (260, 285137), (389, 190580), (733, 101140), (778, 95290), (1466, 50570), (1556, 47645), (1945, 38116), (2932, 25285), (3665, 20228), (3890, 19058), (5057, 14660), (7330, 10114), (7780, 9529)]