697917610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{2971}}^1$

素因数の和:3143

約数の個数: 48

約数和(自身を含む): 1370567520

約数和(自身を除く): 672649910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 169, 278, 338, 695, 845, 1390, 1690, 1807, 2971, 3614, 5942, 9035, 14855, 18070, 23491, 29710, 38623, 46982, 77246, 117455, 193115, 234910, 386230, 412969, 502099, 825938, 1004198, 2064845, 2510495, 4129690, 5020990, 5368597, 10737194, 26842985, 53685970, 69791761, 139583522, 348958805, 697917610]

約数ペア:

[(1, 697917610), (2, 348958805), (5, 139583522), (10, 69791761), (13, 53685970), (26, 26842985), (65, 10737194), (130, 5368597), (139, 5020990), (169, 4129690), (278, 2510495), (338, 2064845), (695, 1004198), (845, 825938), (1390, 502099), (1690, 412969), (1807, 386230), (2971, 234910), (3614, 193115), (5942, 117455), (9035, 77246), (14855, 46982), (18070, 38623), (23491, 29710)]