4803140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 10665984

約数和(自身を除く): 5862844

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 127, 155, 244, 254, 305, 310, 508, 610, 620, 635, 1220, 1270, 1891, 2540, 3782, 3937, 7564, 7747, 7874, 9455, 15494, 15748, 18910, 19685, 30988, 37820, 38735, 39370, 77470, 78740, 154940, 240157, 480314, 960628, 1200785, 2401570, 4803140]

約数ペア:

[(1, 4803140), (2, 2401570), (4, 1200785), (5, 960628), (10, 480314), (20, 240157), (31, 154940), (61, 78740), (62, 77470), (122, 39370), (124, 38735), (127, 37820), (155, 30988), (244, 19685), (254, 18910), (305, 15748), (310, 15494), (508, 9455), (610, 7874), (620, 7747), (635, 7564), (1220, 3937), (1270, 3782), (1891, 2540)]