31089740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 74405520

約数和(自身を除く): 43315780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 290, 319, 443, 484, 580, 605, 638, 886, 1210, 1276, 1595, 1772, 2215, 2420, 3190, 3509, 4430, 4873, 6380, 7018, 8860, 9746, 12847, 14036, 17545, 19492, 24365, 25694, 35090, 48730, 51388, 53603, 64235, 70180, 97460, 107206, 128470, 141317, 214412, 256940, 268015, 282634, 536030, 565268, 706585, 1072060, 1413170, 1554487, 2826340, 3108974, 6217948, 7772435, 15544870, 31089740]

約数ペア:

[(1, 31089740), (2, 15544870), (4, 7772435), (5, 6217948), (10, 3108974), (11, 2826340), (20, 1554487), (22, 1413170), (29, 1072060), (44, 706585), (55, 565268), (58, 536030), (110, 282634), (116, 268015), (121, 256940), (145, 214412), (220, 141317), (242, 128470), (290, 107206), (319, 97460), (443, 70180), (484, 64235), (580, 53603), (605, 51388), (638, 48730), (886, 35090), (1210, 25694), (1276, 24365), (1595, 19492), (1772, 17545), (2215, 14036), (2420, 12847), (3190, 9746), (3509, 8860), (4430, 7018), (4873, 6380)]