404996890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1396541}}^1$

素因数の和:1396577

約数の個数: 16

約数和(自身を含む): 754132680

約数和(自身を除く): 349135790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 1396541, 2793082, 6982705, 13965410, 40499689, 80999378, 202498445, 404996890]

約数ペア:

[(1, 404996890), (2, 202498445), (5, 80999378), (10, 40499689), (29, 13965410), (58, 6982705), (145, 2793082), (290, 1396541)]