209530720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{187081}}^1$

素因数の和:187103

約数の個数: 48

約数和(自身を含む): 565735968

約数和(自身を除く): 356205248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 187081, 374162, 748324, 935405, 1309567, 1496648, 1870810, 2619134, 2993296, 3741620, 5238268, 5986592, 6547835, 7483240, 10476536, 13095670, 14966480, 20953072, 26191340, 29932960, 41906144, 52382680, 104765360, 209530720]

約数ペア:

[(1, 209530720), (2, 104765360), (4, 52382680), (5, 41906144), (7, 29932960), (8, 26191340), (10, 20953072), (14, 14966480), (16, 13095670), (20, 10476536), (28, 7483240), (32, 6547835), (35, 5986592), (40, 5238268), (56, 3741620), (70, 2993296), (80, 2619134), (112, 1870810), (140, 1496648), (160, 1309567), (224, 935405), (280, 748324), (560, 374162), (1120, 187081)]