74139525

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 139018880

約数和(自身を除く): 64879355

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 79, 97, 129, 215, 225, 237, 291, 387, 395, 485, 645, 711, 873, 1075, 1185, 1455, 1935, 1975, 2425, 3225, 3397, 3555, 4171, 4365, 5925, 7275, 7663, 9675, 10191, 12513, 16985, 17775, 20855, 21825, 22989, 30573, 37539, 38315, 50955, 62565, 68967, 84925, 104275, 114945, 152865, 187695, 191575, 254775, 312825, 329509, 344835, 574725, 764325, 938475, 988527, 1647545, 1724175, 2965581, 4942635, 8237725, 14827905, 24713175, 74139525]

約数ペア:

[(1, 74139525), (3, 24713175), (5, 14827905), (9, 8237725), (15, 4942635), (25, 2965581), (43, 1724175), (45, 1647545), (75, 988527), (79, 938475), (97, 764325), (129, 574725), (215, 344835), (225, 329509), (237, 312825), (291, 254775), (387, 191575), (395, 187695), (485, 152865), (645, 114945), (711, 104275), (873, 84925), (1075, 68967), (1185, 62565), (1455, 50955), (1935, 38315), (1975, 37539), (2425, 30573), (3225, 22989), (3397, 21825), (3555, 20855), (4171, 17775), (4365, 16985), (5925, 12513), (7275, 10191), (7663, 9675)]