204049580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1457497}}^1$

素因数の和:1457513

約数の個数: 24

約数和(自身を含む): 489719328

約数和(自身を除く): 285669748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1457497, 2914994, 5829988, 7287485, 10202479, 14574970, 20404958, 29149940, 40809916, 51012395, 102024790, 204049580]

約数ペア:

[(1, 204049580), (2, 102024790), (4, 51012395), (5, 40809916), (7, 29149940), (10, 20404958), (14, 14574970), (20, 10202479), (28, 7287485), (35, 5829988), (70, 2914994), (140, 1457497)]