28724740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2213}}^1$

素因数の和:2292

約数の個数: 48

約数和(自身を含む): 66951360

約数和(自身を除く): 38226620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2213, 2596, 3245, 4426, 6490, 8852, 11065, 12980, 22130, 24343, 44260, 48686, 97372, 121715, 130567, 243430, 261134, 486860, 522268, 652835, 1305670, 1436237, 2611340, 2872474, 5744948, 7181185, 14362370, 28724740]

約数ペア:

[(1, 28724740), (2, 14362370), (4, 7181185), (5, 5744948), (10, 2872474), (11, 2611340), (20, 1436237), (22, 1305670), (44, 652835), (55, 522268), (59, 486860), (110, 261134), (118, 243430), (220, 130567), (236, 121715), (295, 97372), (590, 48686), (649, 44260), (1180, 24343), (1298, 22130), (2213, 12980), (2596, 11065), (3245, 8852), (4426, 6490)]