28784740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2731}}^1$

素因数の和:2788

約数の個数: 48

約数和(自身を含む): 66092544

約数和(自身を除く): 37307804

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 2731, 5270, 5462, 10540, 10924, 13655, 27310, 46427, 54620, 84661, 92854, 169322, 185708, 232135, 338644, 423305, 464270, 846610, 928540, 1439237, 1693220, 2878474, 5756948, 7196185, 14392370, 28784740]

約数ペア:

[(1, 28784740), (2, 14392370), (4, 7196185), (5, 5756948), (10, 2878474), (17, 1693220), (20, 1439237), (31, 928540), (34, 846610), (62, 464270), (68, 423305), (85, 338644), (124, 232135), (155, 185708), (170, 169322), (310, 92854), (340, 84661), (527, 54620), (620, 46427), (1054, 27310), (2108, 13655), (2635, 10924), (2731, 10540), (5270, 5462)]