31122220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2333}}^1$

素因数の和:2394

約数の個数: 48

約数和(自身を含む): 70580160

約数和(自身を除く): 39457940

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 2333, 2668, 3335, 4666, 6670, 9332, 11665, 13340, 23330, 46660, 53659, 67657, 107318, 135314, 214636, 268295, 270628, 338285, 536590, 676570, 1073180, 1353140, 1556111, 3112222, 6224444, 7780555, 15561110, 31122220]

約数ペア:

[(1, 31122220), (2, 15561110), (4, 7780555), (5, 6224444), (10, 3112222), (20, 1556111), (23, 1353140), (29, 1073180), (46, 676570), (58, 536590), (92, 338285), (115, 270628), (116, 268295), (145, 214636), (230, 135314), (290, 107318), (460, 67657), (580, 53659), (667, 46660), (1334, 23330), (2333, 13340), (2668, 11665), (3335, 9332), (4666, 6670)]