290492080

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{22277}}^1$

素因数の和:22453

約数の個数: 40

約数和(自身を含む): 679568112

約数和(自身を除く): 389076032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 22277, 44554, 89108, 111385, 178216, 222770, 356432, 445540, 891080, 1782160, 3631151, 7262302, 14524604, 18155755, 29049208, 36311510, 58098416, 72623020, 145246040, 290492080]

約数ペア:

[(1, 290492080), (2, 145246040), (4, 72623020), (5, 58098416), (8, 36311510), (10, 29049208), (16, 18155755), (20, 14524604), (40, 7262302), (80, 3631151), (163, 1782160), (326, 891080), (652, 445540), (815, 356432), (1304, 222770), (1630, 178216), (2608, 111385), (3260, 89108), (6520, 44554), (13040, 22277)]