90448475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 126554400

約数和(自身を除く): 36105925

約数列:

[1, 5, 13, 25, 53, 59, 65, 89, 265, 295, 325, 445, 689, 767, 1157, 1325, 1475, 2225, 3127, 3445, 3835, 4717, 5251, 5785, 15635, 17225, 19175, 23585, 26255, 28925, 40651, 61321, 68263, 78175, 117925, 131275, 203255, 278303, 306605, 341315, 1016275, 1391515, 1533025, 1706575, 3617939, 6957575, 18089695, 90448475]

約数ペア:

[(1, 90448475), (5, 18089695), (13, 6957575), (25, 3617939), (53, 1706575), (59, 1533025), (65, 1391515), (89, 1016275), (265, 341315), (295, 306605), (325, 278303), (445, 203255), (689, 131275), (767, 117925), (1157, 78175), (1325, 68263), (1475, 61321), (2225, 40651), (3127, 28925), (3445, 26255), (3835, 23585), (4717, 19175), (5251, 17225), (5785, 15635)]