29715580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 64643040

約数和(自身を除く): 34927460

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 109, 172, 215, 218, 317, 430, 436, 545, 634, 860, 1090, 1268, 1585, 2180, 3170, 4687, 6340, 9374, 13631, 18748, 23435, 27262, 34553, 46870, 54524, 68155, 69106, 93740, 136310, 138212, 172765, 272620, 345530, 691060, 1485779, 2971558, 5943116, 7428895, 14857790, 29715580]

約数ペア:

[(1, 29715580), (2, 14857790), (4, 7428895), (5, 5943116), (10, 2971558), (20, 1485779), (43, 691060), (86, 345530), (109, 272620), (172, 172765), (215, 138212), (218, 136310), (317, 93740), (430, 69106), (436, 68155), (545, 54524), (634, 46870), (860, 34553), (1090, 27262), (1268, 23435), (1585, 18748), (2180, 13631), (3170, 9374), (4687, 6340)]