201319930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{410857}}^1$

素因数の和:410878

約数の個数: 24

約数和(自身を含む): 421540308

約数和(自身を除く): 220220378

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 410857, 821714, 2054285, 2875999, 4108570, 5751998, 14379995, 20131993, 28759990, 40263986, 100659965, 201319930]

約数ペア:

[(1, 201319930), (2, 100659965), (5, 40263986), (7, 28759990), (10, 20131993), (14, 14379995), (35, 5751998), (49, 4108570), (70, 2875999), (98, 2054285), (245, 821714), (490, 410857)]