857555420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{4091}}^1$

素因数の和:4370

約数の個数: 48

約数和(自身を含む): 1847881728

約数和(自身を除く): 990326308

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 223, 235, 446, 470, 892, 940, 1115, 2230, 4091, 4460, 8182, 10481, 16364, 20455, 20962, 40910, 41924, 52405, 81820, 104810, 192277, 209620, 384554, 769108, 912293, 961385, 1824586, 1922770, 3649172, 3845540, 4561465, 9122930, 18245860, 42877771, 85755542, 171511084, 214388855, 428777710, 857555420]

約数ペア:

[(1, 857555420), (2, 428777710), (4, 214388855), (5, 171511084), (10, 85755542), (20, 42877771), (47, 18245860), (94, 9122930), (188, 4561465), (223, 3845540), (235, 3649172), (446, 1922770), (470, 1824586), (892, 961385), (940, 912293), (1115, 769108), (2230, 384554), (4091, 209620), (4460, 192277), (8182, 104810), (10481, 81820), (16364, 52405), (20455, 41924), (20962, 40910)]