31112180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1373}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 72019584

約数和(自身を除く): 40907404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 1030, 1133, 1373, 2060, 2266, 2746, 4532, 5492, 5665, 6865, 11330, 13730, 15103, 22660, 27460, 30206, 60412, 75515, 141419, 151030, 282838, 302060, 565676, 707095, 1414190, 1555609, 2828380, 3111218, 6222436, 7778045, 15556090, 31112180]

約数ペア:

[(1, 31112180), (2, 15556090), (4, 7778045), (5, 6222436), (10, 3111218), (11, 2828380), (20, 1555609), (22, 1414190), (44, 707095), (55, 565676), (103, 302060), (110, 282838), (206, 151030), (220, 141419), (412, 75515), (515, 60412), (1030, 30206), (1133, 27460), (1373, 22660), (2060, 15103), (2266, 13730), (2746, 11330), (4532, 6865), (5492, 5665)]