22717780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 51060240

約数和(自身を除く): 28342460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 613, 1090, 1226, 1853, 2180, 2452, 3065, 3706, 6130, 7412, 9265, 10421, 12260, 18530, 20842, 37060, 41684, 52105, 66817, 104210, 133634, 208420, 267268, 334085, 668170, 1135889, 1336340, 2271778, 4543556, 5679445, 11358890, 22717780]

約数ペア:

[(1, 22717780), (2, 11358890), (4, 5679445), (5, 4543556), (10, 2271778), (17, 1336340), (20, 1135889), (34, 668170), (68, 334085), (85, 267268), (109, 208420), (170, 133634), (218, 104210), (340, 66817), (436, 52105), (545, 41684), (613, 37060), (1090, 20842), (1226, 18530), (1853, 12260), (2180, 10421), (2452, 9265), (3065, 7412), (3706, 6130)]