1863620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 4390848

約数和(自身を除く): 2527228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 197, 215, 220, 394, 430, 473, 788, 860, 946, 985, 1892, 1970, 2167, 2365, 3940, 4334, 4730, 8471, 8668, 9460, 10835, 16942, 21670, 33884, 42355, 43340, 84710, 93181, 169420, 186362, 372724, 465905, 931810, 1863620]

約数ペア:

[(1, 1863620), (2, 931810), (4, 465905), (5, 372724), (10, 186362), (11, 169420), (20, 93181), (22, 84710), (43, 43340), (44, 42355), (55, 33884), (86, 21670), (110, 16942), (172, 10835), (197, 9460), (215, 8668), (220, 8471), (394, 4730), (430, 4334), (473, 3940), (788, 2365), (860, 2167), (946, 1970), (985, 1892)]