2163020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 36

約数和(自身を含む): 4727520

約数和(自身を除く): 2564500

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 79, 148, 158, 185, 316, 370, 395, 740, 790, 1369, 1580, 2738, 2923, 5476, 5846, 6845, 11692, 13690, 14615, 27380, 29230, 58460, 108151, 216302, 432604, 540755, 1081510, 2163020]

約数ペア:

[(1, 2163020), (2, 1081510), (4, 540755), (5, 432604), (10, 216302), (20, 108151), (37, 58460), (74, 29230), (79, 27380), (148, 14615), (158, 13690), (185, 11692), (316, 6845), (370, 5846), (395, 5476), (740, 2923), (790, 2738), (1369, 1580)]