208742020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{4241}}^1$

素因数の和:4380

約数の個数: 48

約数和(自身を含む): 461801088

約数和(自身を除く): 253059068

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 428, 460, 535, 1070, 2140, 2461, 4241, 4922, 8482, 9844, 12305, 16964, 21205, 24610, 42410, 49220, 84820, 97543, 195086, 390172, 453787, 487715, 907574, 975430, 1815148, 1950860, 2268935, 4537870, 9075740, 10437101, 20874202, 41748404, 52185505, 104371010, 208742020]

約数ペア:

[(1, 208742020), (2, 104371010), (4, 52185505), (5, 41748404), (10, 20874202), (20, 10437101), (23, 9075740), (46, 4537870), (92, 2268935), (107, 1950860), (115, 1815148), (214, 975430), (230, 907574), (428, 487715), (460, 453787), (535, 390172), (1070, 195086), (2140, 97543), (2461, 84820), (4241, 49220), (4922, 42410), (8482, 24610), (9844, 21205), (12305, 16964)]