390784510

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1\times {\mathrm{1999}}^1$

素因数の和:2292

約数の個数: 32

約数和(自身を含む): 714096000

約数和(自身を除く): 323311490

約数列:

[1, 2, 5, 10, 113, 173, 226, 346, 565, 865, 1130, 1730, 1999, 3998, 9995, 19549, 19990, 39098, 97745, 195490, 225887, 345827, 451774, 691654, 1129435, 1729135, 2258870, 3458270, 39078451, 78156902, 195392255, 390784510]

約数ペア:

[(1, 390784510), (2, 195392255), (5, 78156902), (10, 39078451), (113, 3458270), (173, 2258870), (226, 1729135), (346, 1129435), (565, 691654), (865, 451774), (1130, 345827), (1730, 225887), (1999, 195490), (3998, 97745), (9995, 39098), (19549, 19990)]