31308980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2347}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 71003520

約数和(自身を除く): 39694540

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 2347, 2668, 3335, 4694, 6670, 9388, 11735, 13340, 23470, 46940, 53981, 68063, 107962, 136126, 215924, 269905, 272252, 340315, 539810, 680630, 1079620, 1361260, 1565449, 3130898, 6261796, 7827245, 15654490, 31308980]

約数ペア:

[(1, 31308980), (2, 15654490), (4, 7827245), (5, 6261796), (10, 3130898), (20, 1565449), (23, 1361260), (29, 1079620), (46, 680630), (58, 539810), (92, 340315), (115, 272252), (116, 269905), (145, 215924), (230, 136126), (290, 107962), (460, 68063), (580, 53981), (667, 46940), (1334, 23470), (2347, 13340), (2668, 11735), (3335, 9388), (4694, 6670)]