3215740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 7547904

約数和(自身を除く): 4332164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 311, 470, 517, 622, 940, 1034, 1244, 1555, 2068, 2585, 3110, 3421, 5170, 6220, 6842, 10340, 13684, 14617, 17105, 29234, 34210, 58468, 68420, 73085, 146170, 160787, 292340, 321574, 643148, 803935, 1607870, 3215740]

約数ペア:

[(1, 3215740), (2, 1607870), (4, 803935), (5, 643148), (10, 321574), (11, 292340), (20, 160787), (22, 146170), (44, 73085), (47, 68420), (55, 58468), (94, 34210), (110, 29234), (188, 17105), (220, 14617), (235, 13684), (311, 10340), (470, 6842), (517, 6220), (622, 5170), (940, 3421), (1034, 3110), (1244, 2585), (1555, 2068)]