289041980

素因数分解:

$2^2\times 5^1\times {\mathrm{2797}}^1\times {\mathrm{5167}}^1$

素因数の和:7973

約数の個数: 24

約数和(自身を含む): 607322688

約数和(自身を除く): 318280708

約数列:

[1, 2, 4, 5, 10, 20, 2797, 5167, 5594, 10334, 11188, 13985, 20668, 25835, 27970, 51670, 55940, 103340, 14452099, 28904198, 57808396, 72260495, 144520990, 289041980]

約数ペア:

[(1, 289041980), (2, 144520990), (4, 72260495), (5, 57808396), (10, 28904198), (20, 14452099), (2797, 103340), (5167, 55940), (5594, 51670), (10334, 27970), (11188, 25835), (13985, 20668)]