90388225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 36

約数和(自身を含む): 122127600

約数和(自身を除く): 31739375

約数列:

[1, 5, 19, 25, 37, 95, 139, 185, 475, 695, 703, 925, 1369, 2641, 3475, 3515, 5143, 6845, 13205, 17575, 25715, 26011, 34225, 66025, 97717, 128575, 130055, 190291, 488585, 650275, 951455, 2442925, 3615529, 4757275, 18077645, 90388225]

約数ペア:

[(1, 90388225), (5, 18077645), (19, 4757275), (25, 3615529), (37, 2442925), (95, 951455), (139, 650275), (185, 488585), (475, 190291), (695, 130055), (703, 128575), (925, 97717), (1369, 66025), (2641, 34225), (3475, 26011), (3515, 25715), (5143, 17575), (6845, 13205)]