1900510840

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{420467}}^1$

素因数の和:420591

約数の個数: 32

約数和(自身を含む): 4314001680

約数和(自身を除く): 2413490840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 420467, 840934, 1681868, 2102335, 3363736, 4204670, 8409340, 16818680, 47512771, 95025542, 190051084, 237563855, 380102168, 475127710, 950255420, 1900510840]

約数ペア:

[(1, 1900510840), (2, 950255420), (4, 475127710), (5, 380102168), (8, 237563855), (10, 190051084), (20, 95025542), (40, 47512771), (113, 16818680), (226, 8409340), (452, 4204670), (565, 3363736), (904, 2102335), (1130, 1681868), (2260, 840934), (4520, 420467)]