728028350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{2080081}}^1$

素因数の和:2080100

約数の個数: 24

約数和(自身を含む): 1547581008

約数和(自身を除く): 819552658

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 2080081, 4160162, 10400405, 14560567, 20800810, 29121134, 52002025, 72802835, 104004050, 145605670, 364014175, 728028350]

約数ペア:

[(1, 728028350), (2, 364014175), (5, 145605670), (7, 104004050), (10, 72802835), (14, 52002025), (25, 29121134), (35, 20800810), (50, 14560567), (70, 10400405), (175, 4160162), (350, 2080081)]