228668890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{557729}}^1$

素因数の和:557777

約数の個数: 16

約数和(自身を含む): 421643880

約数和(自身を除く): 192974990

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 557729, 1115458, 2788645, 5577290, 22866889, 45733778, 114334445, 228668890]

約数ペア:

[(1, 228668890), (2, 114334445), (5, 45733778), (10, 22866889), (41, 5577290), (82, 2788645), (205, 1115458), (410, 557729)]