861218910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{19489}}^1$

素因数の和:19993

約数の個数: 48

約数和(自身を含む): 2243844720

約数和(自身を除く): 1382625810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 491, 982, 1473, 2455, 2946, 4419, 4910, 7365, 8838, 14730, 19489, 22095, 38978, 44190, 58467, 97445, 116934, 175401, 194890, 292335, 350802, 584670, 877005, 1754010, 9569099, 19138198, 28707297, 47845495, 57414594, 86121891, 95690990, 143536485, 172243782, 287072970, 430609455, 861218910]

約数ペア:

[(1, 861218910), (2, 430609455), (3, 287072970), (5, 172243782), (6, 143536485), (9, 95690990), (10, 86121891), (15, 57414594), (18, 47845495), (30, 28707297), (45, 19138198), (90, 9569099), (491, 1754010), (982, 877005), (1473, 584670), (2455, 350802), (2946, 292335), (4419, 194890), (4910, 175401), (7365, 116934), (8838, 97445), (14730, 58467), (19489, 44190), (22095, 38978)]