2021665660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{236729}}^1$

素因数の和:236806

約数の個数: 48

約数和(自身を含む): 4931559360

約数和(自身を除く): 2909893700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 236729, 473458, 946916, 1183645, 1657103, 2367290, 3314206, 4734580, 6628412, 8285515, 14440469, 16571030, 28880938, 33142060, 57761876, 72202345, 101083283, 144404690, 202166566, 288809380, 404333132, 505416415, 1010832830, 2021665660]

約数ペア:

[(1, 2021665660), (2, 1010832830), (4, 505416415), (5, 404333132), (7, 288809380), (10, 202166566), (14, 144404690), (20, 101083283), (28, 72202345), (35, 57761876), (61, 33142060), (70, 28880938), (122, 16571030), (140, 14440469), (244, 8285515), (305, 6628412), (427, 4734580), (610, 3314206), (854, 2367290), (1220, 1657103), (1708, 1183645), (2135, 946916), (4270, 473458), (8540, 236729)]