72290620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1103}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 158578560

約数和(自身を除く): 86287940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 113, 116, 145, 226, 290, 452, 565, 580, 1103, 1130, 2206, 2260, 3277, 4412, 5515, 6554, 11030, 13108, 16385, 22060, 31987, 32770, 63974, 65540, 124639, 127948, 159935, 249278, 319870, 498556, 623195, 639740, 1246390, 2492780, 3614531, 7229062, 14458124, 18072655, 36145310, 72290620]

約数ペア:

[(1, 72290620), (2, 36145310), (4, 18072655), (5, 14458124), (10, 7229062), (20, 3614531), (29, 2492780), (58, 1246390), (113, 639740), (116, 623195), (145, 498556), (226, 319870), (290, 249278), (452, 159935), (565, 127948), (580, 124639), (1103, 65540), (1130, 63974), (2206, 32770), (2260, 31987), (3277, 22060), (4412, 16385), (5515, 13108), (6554, 11030)]