2018678780

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{140381}}^1$

素因数の和:141109

約数の個数: 24

約数和(自身を含む): 4245151680

約数和(自身を除く): 2226472900

約数列:

[1, 2, 4, 5, 10, 20, 719, 1438, 2876, 3595, 7190, 14380, 140381, 280762, 561524, 701905, 1403810, 2807620, 100933939, 201867878, 403735756, 504669695, 1009339390, 2018678780]

約数ペア:

[(1, 2018678780), (2, 1009339390), (4, 504669695), (5, 403735756), (10, 201867878), (20, 100933939), (719, 2807620), (1438, 1403810), (2876, 701905), (3595, 561524), (7190, 280762), (14380, 140381)]