85420475

素因数分解:

$5^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{677}}^1$

素因数の和:804

約数の個数: 36

約数和(自身を含む): 124594704

約数和(自身を除く): 39174229

約数列:

[1, 5, 7, 25, 35, 49, 103, 175, 245, 515, 677, 721, 1225, 2575, 3385, 3605, 4739, 5047, 16925, 18025, 23695, 25235, 33173, 69731, 118475, 126175, 165865, 348655, 488117, 829325, 1743275, 2440585, 3416819, 12202925, 17084095, 85420475]

約数ペア:

[(1, 85420475), (5, 17084095), (7, 12202925), (25, 3416819), (35, 2440585), (49, 1743275), (103, 829325), (175, 488117), (245, 348655), (515, 165865), (677, 126175), (721, 118475), (1225, 69731), (2575, 33173), (3385, 25235), (3605, 23695), (4739, 18025), (5047, 16925)]