201908090

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{199909}}^1$

素因数の和:200017

約数の個数: 16

約数和(自身を含む): 367034760

約数和(自身を除く): 165126670

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 199909, 399818, 999545, 1999090, 20190809, 40381618, 100954045, 201908090]

約数ペア:

[(1, 201908090), (2, 100954045), (5, 40381618), (10, 20190809), (101, 1999090), (202, 999545), (505, 399818), (1010, 199909)]