2108405975

素因数分解:

$5^2\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{1669}}^1$

素因数の和:1741

約数の個数: 48

約数和(自身を含む): 2957102400

約数和(自身を除く): 848696425

約数列:

[1, 5, 13, 23, 25, 65, 115, 169, 299, 325, 575, 845, 1495, 1669, 2197, 3887, 4225, 7475, 8345, 10985, 19435, 21697, 38387, 41725, 50531, 54925, 97175, 108485, 191935, 252655, 282061, 499031, 542425, 959675, 1263275, 1410305, 2495155, 3666793, 6487403, 7051525, 12475775, 18333965, 32437015, 84336239, 91669825, 162185075, 421681195, 2108405975]

約数ペア:

[(1, 2108405975), (5, 421681195), (13, 162185075), (23, 91669825), (25, 84336239), (65, 32437015), (115, 18333965), (169, 12475775), (299, 7051525), (325, 6487403), (575, 3666793), (845, 2495155), (1495, 1410305), (1669, 1263275), (2197, 959675), (3887, 542425), (4225, 499031), (7475, 282061), (8345, 252655), (10985, 191935), (19435, 108485), (21697, 97175), (38387, 54925), (41725, 50531)]