379990580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{3769}}^1$

素因数の和:3920

約数の個数: 36

約数和(自身を含む): 809592420

約数和(自身を除く): 429601840

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 3769, 5041, 7538, 10082, 15076, 18845, 20164, 25205, 37690, 50410, 75380, 100820, 267599, 535198, 1070396, 1337995, 2675990, 5351980, 18999529, 37999058, 75998116, 94997645, 189995290, 379990580]

約数ペア:

[(1, 379990580), (2, 189995290), (4, 94997645), (5, 75998116), (10, 37999058), (20, 18999529), (71, 5351980), (142, 2675990), (284, 1337995), (355, 1070396), (710, 535198), (1420, 267599), (3769, 100820), (5041, 75380), (7538, 50410), (10082, 37690), (15076, 25205), (18845, 20164)]