7552220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{937}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 17649408

約数和(自身を除く): 10097188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 937, 1612, 1874, 2015, 3748, 4030, 4685, 8060, 9370, 12181, 18740, 24362, 29047, 48724, 58094, 60905, 116188, 121810, 145235, 243620, 290470, 377611, 580940, 755222, 1510444, 1888055, 3776110, 7552220]

約数ペア:

[(1, 7552220), (2, 3776110), (4, 1888055), (5, 1510444), (10, 755222), (13, 580940), (20, 377611), (26, 290470), (31, 243620), (52, 145235), (62, 121810), (65, 116188), (124, 60905), (130, 58094), (155, 48724), (260, 29047), (310, 24362), (403, 18740), (620, 12181), (806, 9370), (937, 8060), (1612, 4685), (1874, 4030), (2015, 3748)]