8708486980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1348063}}^1$

素因数の和:1348108

約数の個数: 48

約数和(自身を含む): 20382727680

約数和(自身を除く): 11674240700

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 1348063, 2696126, 5392252, 6740315, 13480630, 22917071, 25613197, 26961260, 45834142, 51226394, 91668284, 102452788, 114585355, 128065985, 229170710, 256131970, 435424349, 458341420, 512263940, 870848698, 1741697396, 2177121745, 4354243490, 8708486980]

約数ペア:

[(1, 8708486980), (2, 4354243490), (4, 2177121745), (5, 1741697396), (10, 870848698), (17, 512263940), (19, 458341420), (20, 435424349), (34, 256131970), (38, 229170710), (68, 128065985), (76, 114585355), (85, 102452788), (95, 91668284), (170, 51226394), (190, 45834142), (323, 26961260), (340, 25613197), (380, 22917071), (646, 13480630), (1292, 6740315), (1615, 5392252), (3230, 2696126), (6460, 1348063)]