13892740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1409}}^1$

素因数の和:1464

約数の個数: 48

約数和(自身を含む): 31978800

約数和(自身を除く): 18086060

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1409, 1972, 2465, 2818, 4930, 5636, 7045, 9860, 14090, 23953, 28180, 40861, 47906, 81722, 95812, 119765, 163444, 204305, 239530, 408610, 479060, 694637, 817220, 1389274, 2778548, 3473185, 6946370, 13892740]

約数ペア:

[(1, 13892740), (2, 6946370), (4, 3473185), (5, 2778548), (10, 1389274), (17, 817220), (20, 694637), (29, 479060), (34, 408610), (58, 239530), (68, 204305), (85, 163444), (116, 119765), (145, 95812), (170, 81722), (290, 47906), (340, 40861), (493, 28180), (580, 23953), (986, 14090), (1409, 9860), (1972, 7045), (2465, 5636), (2818, 4930)]