289310390

素因数分解:

$2^1\times 5^1\times {\mathrm{919}}^1\times {\mathrm{31481}}^1$

素因数の和:32407

約数の個数: 16

約数和(自身を含む): 521341920

約数和(自身を除く): 232031530

約数列:

[1, 2, 5, 10, 919, 1838, 4595, 9190, 31481, 62962, 157405, 314810, 28931039, 57862078, 144655195, 289310390]

約数ペア:

[(1, 289310390), (2, 144655195), (5, 57862078), (10, 28931039), (919, 314810), (1838, 157405), (4595, 62962), (9190, 31481)]