102440740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1301}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 223985664

約数和(自身を除く): 121544924

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 127, 155, 254, 310, 508, 620, 635, 1270, 1301, 2540, 2602, 3937, 5204, 6505, 7874, 13010, 15748, 19685, 26020, 39370, 40331, 78740, 80662, 161324, 165227, 201655, 330454, 403310, 660908, 806620, 826135, 1652270, 3304540, 5122037, 10244074, 20488148, 25610185, 51220370, 102440740]

約数ペア:

[(1, 102440740), (2, 51220370), (4, 25610185), (5, 20488148), (10, 10244074), (20, 5122037), (31, 3304540), (62, 1652270), (124, 826135), (127, 806620), (155, 660908), (254, 403310), (310, 330454), (508, 201655), (620, 165227), (635, 161324), (1270, 80662), (1301, 78740), (2540, 40331), (2602, 39370), (3937, 26020), (5204, 19685), (6505, 15748), (7874, 13010)]