208889210

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{206821}}^1$

素因数の和:206929

約数の個数: 16

約数和(自身を含む): 379725192

約数和(自身を除く): 170835982

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 206821, 413642, 1034105, 2068210, 20888921, 41777842, 104444605, 208889210]

約数ペア:

[(1, 208889210), (2, 104444605), (5, 41777842), (10, 20888921), (101, 2068210), (202, 1034105), (505, 413642), (1010, 206821)]