2019278860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{21269}}^1$

素因数の和:21426

約数の個数: 48

約数和(自身を含む): 4373792640

約数和(自身を除く): 2354513780

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 101, 188, 202, 235, 404, 470, 505, 940, 1010, 2020, 4747, 9494, 18988, 21269, 23735, 42538, 47470, 85076, 94940, 106345, 212690, 425380, 999643, 1999286, 2148169, 3998572, 4296338, 4998215, 8592676, 9996430, 10740845, 19992860, 21481690, 42963380, 100963943, 201927886, 403855772, 504819715, 1009639430, 2019278860]

約数ペア:

[(1, 2019278860), (2, 1009639430), (4, 504819715), (5, 403855772), (10, 201927886), (20, 100963943), (47, 42963380), (94, 21481690), (101, 19992860), (188, 10740845), (202, 9996430), (235, 8592676), (404, 4998215), (470, 4296338), (505, 3998572), (940, 2148169), (1010, 1999286), (2020, 999643), (4747, 425380), (9494, 212690), (18988, 106345), (21269, 94940), (23735, 85076), (42538, 47470)]