39228580

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 84389760

約数和(自身を除く): 45161180

約数列:

[1, 2, 4, 5, 10, 20, 103, 137, 139, 206, 274, 278, 412, 515, 548, 556, 685, 695, 1030, 1370, 1390, 2060, 2740, 2780, 14111, 14317, 19043, 28222, 28634, 38086, 56444, 57268, 70555, 71585, 76172, 95215, 141110, 143170, 190430, 282220, 286340, 380860, 1961429, 3922858, 7845716, 9807145, 19614290, 39228580]

約数ペア:

[(1, 39228580), (2, 19614290), (4, 9807145), (5, 7845716), (10, 3922858), (20, 1961429), (103, 380860), (137, 286340), (139, 282220), (206, 190430), (274, 143170), (278, 141110), (412, 95215), (515, 76172), (548, 71585), (556, 70555), (685, 57268), (695, 56444), (1030, 38086), (1370, 28634), (1390, 28222), (2060, 19043), (2740, 14317), (2780, 14111)]