63740620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 138223008

約数和(自身を除く): 74482388

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 137, 172, 215, 274, 430, 541, 548, 685, 860, 1082, 1370, 2164, 2705, 2740, 5410, 5891, 10820, 11782, 23263, 23564, 29455, 46526, 58910, 74117, 93052, 116315, 117820, 148234, 232630, 296468, 370585, 465260, 741170, 1482340, 3187031, 6374062, 12748124, 15935155, 31870310, 63740620]

約数ペア:

[(1, 63740620), (2, 31870310), (4, 15935155), (5, 12748124), (10, 6374062), (20, 3187031), (43, 1482340), (86, 741170), (137, 465260), (172, 370585), (215, 296468), (274, 232630), (430, 148234), (541, 117820), (548, 116315), (685, 93052), (860, 74117), (1082, 58910), (1370, 46526), (2164, 29455), (2705, 23564), (2740, 23263), (5410, 11782), (5891, 10820)]