3895460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 8666112

約数和(自身を除く): 4770652

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 103, 122, 124, 155, 206, 244, 305, 310, 412, 515, 610, 620, 1030, 1220, 1891, 2060, 3193, 3782, 6283, 6386, 7564, 9455, 12566, 12772, 15965, 18910, 25132, 31415, 31930, 37820, 62830, 63860, 125660, 194773, 389546, 779092, 973865, 1947730, 3895460]

約数ペア:

[(1, 3895460), (2, 1947730), (4, 973865), (5, 779092), (10, 389546), (20, 194773), (31, 125660), (61, 63860), (62, 62830), (103, 37820), (122, 31930), (124, 31415), (155, 25132), (206, 18910), (244, 15965), (305, 12772), (310, 12566), (412, 9455), (515, 7564), (610, 6386), (620, 6283), (1030, 3782), (1220, 3193), (1891, 2060)]