90901850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1307}}^1$

素因数の和:1439

約数の個数: 48

約数和(自身を含む): 183925728

約数和(自身を除く): 93023878

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 107, 130, 214, 325, 535, 650, 1070, 1307, 1391, 2614, 2675, 2782, 5350, 6535, 6955, 13070, 13910, 16991, 32675, 33982, 34775, 65350, 69550, 84955, 139849, 169910, 279698, 424775, 699245, 849550, 1398490, 1818037, 3496225, 3636074, 6992450, 9090185, 18180370, 45450925, 90901850]

約数ペア:

[(1, 90901850), (2, 45450925), (5, 18180370), (10, 9090185), (13, 6992450), (25, 3636074), (26, 3496225), (50, 1818037), (65, 1398490), (107, 849550), (130, 699245), (214, 424775), (325, 279698), (535, 169910), (650, 139849), (1070, 84955), (1307, 69550), (1391, 65350), (2614, 34775), (2675, 33982), (2782, 32675), (5350, 16991), (6535, 13910), (6955, 13070)]