28025690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2141}}^1$

素因数の和:2183

約数の個数: 64

約数和(自身を含む): 66624768

約数和(自身を除く): 38599078

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1870, 2141, 2618, 4282, 6545, 10705, 13090, 14987, 21410, 23551, 29974, 36397, 47102, 72794, 74935, 117755, 149870, 164857, 181985, 235510, 254779, 329714, 363970, 400367, 509558, 800734, 824285, 1273895, 1648570, 2001835, 2547790, 2802569, 4003670, 5605138, 14012845, 28025690]

約数ペア:

[(1, 28025690), (2, 14012845), (5, 5605138), (7, 4003670), (10, 2802569), (11, 2547790), (14, 2001835), (17, 1648570), (22, 1273895), (34, 824285), (35, 800734), (55, 509558), (70, 400367), (77, 363970), (85, 329714), (110, 254779), (119, 235510), (154, 181985), (170, 164857), (187, 149870), (238, 117755), (374, 74935), (385, 72794), (595, 47102), (770, 36397), (935, 29974), (1190, 23551), (1309, 21410), (1870, 14987), (2141, 13090), (2618, 10705), (4282, 6545)]