2015291380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{21227}}^1$

素因数の和:21384

約数の個数: 48

約数和(自身を含む): 4365156096

約数和(自身を除く): 2349864716

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 101, 188, 202, 235, 404, 470, 505, 940, 1010, 2020, 4747, 9494, 18988, 21227, 23735, 42454, 47470, 84908, 94940, 106135, 212270, 424540, 997669, 1995338, 2143927, 3990676, 4287854, 4988345, 8575708, 9976690, 10719635, 19953380, 21439270, 42878540, 100764569, 201529138, 403058276, 503822845, 1007645690, 2015291380]

約数ペア:

[(1, 2015291380), (2, 1007645690), (4, 503822845), (5, 403058276), (10, 201529138), (20, 100764569), (47, 42878540), (94, 21439270), (101, 19953380), (188, 10719635), (202, 9976690), (235, 8575708), (404, 4988345), (470, 4287854), (505, 3990676), (940, 2143927), (1010, 1995338), (2020, 997669), (4747, 424540), (9494, 212270), (18988, 106135), (21227, 94940), (23735, 84908), (42454, 47470)]