8643140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2311}}^1$

素因数の和:2348

約数の個数: 48

約数和(自身を含む): 20974464

約数和(自身を除く): 12331324

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 2311, 3740, 4622, 9244, 11555, 23110, 25421, 39287, 46220, 50842, 78574, 101684, 127105, 157148, 196435, 254210, 392870, 432157, 508420, 785740, 864314, 1728628, 2160785, 4321570, 8643140]

約数ペア:

[(1, 8643140), (2, 4321570), (4, 2160785), (5, 1728628), (10, 864314), (11, 785740), (17, 508420), (20, 432157), (22, 392870), (34, 254210), (44, 196435), (55, 157148), (68, 127105), (85, 101684), (110, 78574), (170, 50842), (187, 46220), (220, 39287), (340, 25421), (374, 23110), (748, 11555), (935, 9244), (1870, 4622), (2311, 3740)]