290382620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{4217}}^1$

素因数の和:4550

約数の個数: 48

約数和(自身を含む): 667523808

約数和(自身を除く): 377141188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 313, 626, 1252, 1565, 3130, 3443, 4217, 6260, 6886, 8434, 13772, 16868, 17215, 21085, 34430, 42170, 46387, 68860, 84340, 92774, 185548, 231935, 463870, 927740, 1319921, 2639842, 5279684, 6599605, 13199210, 14519131, 26398420, 29038262, 58076524, 72595655, 145191310, 290382620]

約数ペア:

[(1, 290382620), (2, 145191310), (4, 72595655), (5, 58076524), (10, 29038262), (11, 26398420), (20, 14519131), (22, 13199210), (44, 6599605), (55, 5279684), (110, 2639842), (220, 1319921), (313, 927740), (626, 463870), (1252, 231935), (1565, 185548), (3130, 92774), (3443, 84340), (4217, 68860), (6260, 46387), (6886, 42170), (8434, 34430), (13772, 21085), (16868, 17215)]