90090175

素因数分解:

$5^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{293}}^1$

素因数の和:568

約数の個数: 36

約数和(自身を含む): 130913496

約数和(自身を除く): 40823321

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 251, 293, 1225, 1255, 1465, 1757, 2051, 6275, 7325, 8785, 10255, 12299, 14357, 43925, 51275, 61495, 71785, 73543, 307475, 358925, 367715, 514801, 1838575, 2574005, 3603607, 12870025, 18018035, 90090175]

約数ペア:

[(1, 90090175), (5, 18018035), (7, 12870025), (25, 3603607), (35, 2574005), (49, 1838575), (175, 514801), (245, 367715), (251, 358925), (293, 307475), (1225, 73543), (1255, 71785), (1465, 61495), (1757, 51275), (2051, 43925), (6275, 14357), (7325, 12299), (8785, 10255)]