2123380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 5281920

約数和(自身を除く): 3158540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 523, 580, 812, 1015, 1046, 2030, 2092, 2615, 3661, 4060, 5230, 7322, 10460, 14644, 15167, 18305, 30334, 36610, 60668, 73220, 75835, 106169, 151670, 212338, 303340, 424676, 530845, 1061690, 2123380]

約数ペア:

[(1, 2123380), (2, 1061690), (4, 530845), (5, 424676), (7, 303340), (10, 212338), (14, 151670), (20, 106169), (28, 75835), (29, 73220), (35, 60668), (58, 36610), (70, 30334), (116, 18305), (140, 15167), (145, 14644), (203, 10460), (290, 7322), (406, 5230), (523, 4060), (580, 3661), (812, 2615), (1015, 2092), (1046, 2030)]