66670520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{238109}}^1$

素因数の和:238127

約数の個数: 32

約数和(自身を含む): 171439200

約数和(自身を除く): 104768680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 238109, 476218, 952436, 1190545, 1666763, 1904872, 2381090, 3333526, 4762180, 6667052, 8333815, 9524360, 13334104, 16667630, 33335260, 66670520]

約数ペア:

[(1, 66670520), (2, 33335260), (4, 16667630), (5, 13334104), (7, 9524360), (8, 8333815), (10, 6667052), (14, 4762180), (20, 3333526), (28, 2381090), (35, 1904872), (40, 1666763), (56, 1190545), (70, 952436), (140, 476218), (280, 238109)]