68864740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25889}}^1$

素因数の和:25924

約数の個数: 48

約数和(自身を含む): 173980800

約数和(自身を除く): 105116060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 25889, 51778, 103556, 129445, 181223, 258890, 362446, 491891, 517780, 724892, 906115, 983782, 1812230, 1967564, 2459455, 3443237, 3624460, 4918910, 6886474, 9837820, 13772948, 17216185, 34432370, 68864740]

約数ペア:

[(1, 68864740), (2, 34432370), (4, 17216185), (5, 13772948), (7, 9837820), (10, 6886474), (14, 4918910), (19, 3624460), (20, 3443237), (28, 2459455), (35, 1967564), (38, 1812230), (70, 983782), (76, 906115), (95, 724892), (133, 517780), (140, 491891), (190, 362446), (266, 258890), (380, 181223), (532, 129445), (665, 103556), (1330, 51778), (2660, 25889)]