7805380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2087}}^1$

素因数の和:2124

約数の個数: 48

約数和(自身を含む): 18942336

約数和(自身を除く): 11136956

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, 2087, 3740, 4174, 8348, 10435, 20870, 22957, 35479, 41740, 45914, 70958, 91828, 114785, 141916, 177395, 229570, 354790, 390269, 459140, 709580, 780538, 1561076, 1951345, 3902690, 7805380]

約数ペア:

[(1, 7805380), (2, 3902690), (4, 1951345), (5, 1561076), (10, 780538), (11, 709580), (17, 459140), (20, 390269), (22, 354790), (34, 229570), (44, 177395), (55, 141916), (68, 114785), (85, 91828), (110, 70958), (170, 45914), (187, 41740), (220, 35479), (340, 22957), (374, 20870), (748, 10435), (935, 8348), (1870, 4174), (2087, 3740)]