2387770

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 5466528

約数和(自身を除く): 3078758

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 443, 490, 539, 770, 886, 1078, 2215, 2695, 3101, 4430, 4873, 5390, 6202, 9746, 15505, 21707, 24365, 31010, 34111, 43414, 48730, 68222, 108535, 170555, 217070, 238777, 341110, 477554, 1193885, 2387770]

約数ペア:

[(1, 2387770), (2, 1193885), (5, 477554), (7, 341110), (10, 238777), (11, 217070), (14, 170555), (22, 108535), (35, 68222), (49, 48730), (55, 43414), (70, 34111), (77, 31010), (98, 24365), (110, 21707), (154, 15505), (245, 9746), (385, 6202), (443, 5390), (490, 4873), (539, 4430), (770, 3101), (886, 2695), (1078, 2215)]