201025930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{410257}}^1$

素因数の和:410278

約数の個数: 24

約数和(自身を含む): 420924708

約数和(自身を除く): 219898778

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 410257, 820514, 2051285, 2871799, 4102570, 5743598, 14358995, 20102593, 28717990, 40205186, 100512965, 201025930]

約数ペア:

[(1, 201025930), (2, 100512965), (5, 40205186), (7, 28717990), (10, 20102593), (14, 14358995), (35, 5743598), (49, 4102570), (70, 2871799), (98, 2051285), (245, 820514), (490, 410257)]