202860770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20849}}^1$

素因数の和:21002

約数の個数: 32

約数和(自身を含む): 420336000

約数和(自身を除く): 217475230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 20849, 41698, 104245, 145943, 208490, 291886, 729715, 1459430, 2898011, 5796022, 14490055, 20286077, 28980110, 40572154, 101430385, 202860770]

約数ペア:

[(1, 202860770), (2, 101430385), (5, 40572154), (7, 28980110), (10, 20286077), (14, 14490055), (35, 5796022), (70, 2898011), (139, 1459430), (278, 729715), (695, 291886), (973, 208490), (1390, 145943), (1946, 104245), (4865, 41698), (9730, 20849)]