201619810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{411469}}^1$

素因数の和:411490

約数の個数: 24

約数和(自身を含む): 422168220

約数和(自身を除く): 220548410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 411469, 822938, 2057345, 2880283, 4114690, 5760566, 14401415, 20161981, 28802830, 40323962, 100809905, 201619810]

約数ペア:

[(1, 201619810), (2, 100809905), (5, 40323962), (7, 28802830), (10, 20161981), (14, 14401415), (35, 5760566), (49, 4114690), (70, 2880283), (98, 2057345), (245, 822938), (490, 411469)]