31370620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1451}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 70253568

約数和(自身を除く): 38882948

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 940, 1081, 1451, 2162, 2902, 4324, 5405, 5804, 7255, 10810, 14510, 21620, 29020, 33373, 66746, 68197, 133492, 136394, 166865, 272788, 333730, 340985, 667460, 681970, 1363940, 1568531, 3137062, 6274124, 7842655, 15685310, 31370620]

約数ペア:

[(1, 31370620), (2, 15685310), (4, 7842655), (5, 6274124), (10, 3137062), (20, 1568531), (23, 1363940), (46, 681970), (47, 667460), (92, 340985), (94, 333730), (115, 272788), (188, 166865), (230, 136394), (235, 133492), (460, 68197), (470, 66746), (940, 33373), (1081, 29020), (1451, 21620), (2162, 14510), (2902, 10810), (4324, 7255), (5405, 5804)]