664755740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{29917}}^1$

素因数の和:30038

約数の個数: 48

約数和(自身を含む): 1538024544

約数和(自身を除く): 873268804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 22220, 29917, 59834, 119668, 149585, 299170, 329087, 598340, 658174, 1316348, 1645435, 3021617, 3290870, 6043234, 6581740, 12086468, 15108085, 30216170, 33237787, 60432340, 66475574, 132951148, 166188935, 332377870, 664755740]

約数ペア:

[(1, 664755740), (2, 332377870), (4, 166188935), (5, 132951148), (10, 66475574), (11, 60432340), (20, 33237787), (22, 30216170), (44, 15108085), (55, 12086468), (101, 6581740), (110, 6043234), (202, 3290870), (220, 3021617), (404, 1645435), (505, 1316348), (1010, 658174), (1111, 598340), (2020, 329087), (2222, 299170), (4444, 149585), (5555, 119668), (11110, 59834), (22220, 29917)]