220110520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{786109}}^1$

素因数の和:786127

約数の個数: 32

約数和(自身を含む): 565999200

約数和(自身を除く): 345888680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 786109, 1572218, 3144436, 3930545, 5502763, 6288872, 7861090, 11005526, 15722180, 22011052, 27513815, 31444360, 44022104, 55027630, 110055260, 220110520]

約数ペア:

[(1, 220110520), (2, 110055260), (4, 55027630), (5, 44022104), (7, 31444360), (8, 27513815), (10, 22011052), (14, 15722180), (20, 11005526), (28, 7861090), (35, 6288872), (40, 5502763), (56, 3930545), (70, 3144436), (140, 1572218), (280, 786109)]