138667510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1597}}^1$

素因数の和:2080

約数の個数: 32

約数和(自身を含む): 263478240

約数和(自身を除く): 124810730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 457, 914, 1597, 2285, 3194, 4570, 7985, 8683, 15970, 17366, 30343, 43415, 60686, 86830, 151715, 303430, 729829, 1459658, 3649145, 7298290, 13866751, 27733502, 69333755, 138667510]

約数ペア:

[(1, 138667510), (2, 69333755), (5, 27733502), (10, 13866751), (19, 7298290), (38, 3649145), (95, 1459658), (190, 729829), (457, 303430), (914, 151715), (1597, 86830), (2285, 60686), (3194, 43415), (4570, 30343), (7985, 17366), (8683, 15970)]