1859420

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{389}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 3931200

約数和(自身を除く): 2071780

約数列:

[1, 2, 4, 5, 10, 20, 239, 389, 478, 778, 956, 1195, 1556, 1945, 2390, 3890, 4780, 7780, 92971, 185942, 371884, 464855, 929710, 1859420]

約数ペア:

[(1, 1859420), (2, 929710), (4, 464855), (5, 371884), (10, 185942), (20, 92971), (239, 7780), (389, 4780), (478, 3890), (778, 2390), (956, 1945), (1195, 1556)]