100550980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1277}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 219856896

約数和(自身を除く): 119305916

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 1277, 2540, 2554, 3937, 5108, 6385, 7874, 12770, 15748, 19685, 25540, 39370, 39587, 78740, 79174, 158348, 162179, 197935, 324358, 395870, 648716, 791740, 810895, 1621790, 3243580, 5027549, 10055098, 20110196, 25137745, 50275490, 100550980]

約数ペア:

[(1, 100550980), (2, 50275490), (4, 25137745), (5, 20110196), (10, 10055098), (20, 5027549), (31, 3243580), (62, 1621790), (124, 810895), (127, 791740), (155, 648716), (254, 395870), (310, 324358), (508, 197935), (620, 162179), (635, 158348), (1270, 79174), (1277, 78740), (2540, 39587), (2554, 39370), (3937, 25540), (5108, 19685), (6385, 15748), (7874, 12770)]