27972820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2837}}^1$

素因数の和:2892

約数の個数: 48

約数和(自身を含む): 64365840

約数和(自身を除く): 36393020

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 2837, 4930, 5674, 9860, 11348, 14185, 28370, 48229, 56740, 82273, 96458, 164546, 192916, 241145, 329092, 411365, 482290, 822730, 964580, 1398641, 1645460, 2797282, 5594564, 6993205, 13986410, 27972820]

約数ペア:

[(1, 27972820), (2, 13986410), (4, 6993205), (5, 5594564), (10, 2797282), (17, 1645460), (20, 1398641), (29, 964580), (34, 822730), (58, 482290), (68, 411365), (85, 329092), (116, 241145), (145, 192916), (170, 164546), (290, 96458), (340, 82273), (493, 56740), (580, 48229), (986, 28370), (1972, 14185), (2465, 11348), (2837, 9860), (4930, 5674)]