61990180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9421}}^1$

素因数の和:9484

約数の個数: 48

約数和(自身を含む): 151958016

約数和(自身を除く): 89967836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 9421, 18842, 37684, 47105, 65947, 94210, 131894, 188420, 263788, 329735, 442787, 659470, 885574, 1318940, 1771148, 2213935, 3099509, 4427870, 6199018, 8855740, 12398036, 15497545, 30995090, 61990180]

約数ペア:

[(1, 61990180), (2, 30995090), (4, 15497545), (5, 12398036), (7, 8855740), (10, 6199018), (14, 4427870), (20, 3099509), (28, 2213935), (35, 1771148), (47, 1318940), (70, 885574), (94, 659470), (140, 442787), (188, 329735), (235, 263788), (329, 188420), (470, 131894), (658, 94210), (940, 65947), (1316, 47105), (1645, 37684), (3290, 18842), (6580, 9421)]