505486820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{8629}}^1$

素因数の和:8768

約数の個数: 48

約数和(自身を含む): 1109127600

約数和(自身を除く): 603640780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 101, 116, 145, 202, 290, 404, 505, 580, 1010, 2020, 2929, 5858, 8629, 11716, 14645, 17258, 29290, 34516, 43145, 58580, 86290, 172580, 250241, 500482, 871529, 1000964, 1251205, 1743058, 2502410, 3486116, 4357645, 5004820, 8715290, 17430580, 25274341, 50548682, 101097364, 126371705, 252743410, 505486820]

約数ペア:

[(1, 505486820), (2, 252743410), (4, 126371705), (5, 101097364), (10, 50548682), (20, 25274341), (29, 17430580), (58, 8715290), (101, 5004820), (116, 4357645), (145, 3486116), (202, 2502410), (290, 1743058), (404, 1251205), (505, 1000964), (580, 871529), (1010, 500482), (2020, 250241), (2929, 172580), (5858, 86290), (8629, 58580), (11716, 43145), (14645, 34516), (17258, 29290)]