256034690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{22091}}^1$

素因数の和:22178

約数の個数: 32

約数和(自身を含む): 493093440

約数和(自身を除く): 237058750

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 2318, 5795, 11590, 22091, 44182, 110455, 220910, 419729, 839458, 1347551, 2098645, 2695102, 4197290, 6737755, 13475510, 25603469, 51206938, 128017345, 256034690]

約数ペア:

[(1, 256034690), (2, 128017345), (5, 51206938), (10, 25603469), (19, 13475510), (38, 6737755), (61, 4197290), (95, 2695102), (122, 2098645), (190, 1347551), (305, 839458), (610, 419729), (1159, 220910), (2318, 110455), (5795, 44182), (11590, 22091)]