209096180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{101503}}^1$

素因数の和:101615

約数の個数: 24

約数和(自身を含む): 443369472

約数和(自身を除く): 234273292

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 101503, 203006, 406012, 507515, 1015030, 2030060, 10454809, 20909618, 41819236, 52274045, 104548090, 209096180]

約数ペア:

[(1, 209096180), (2, 104548090), (4, 52274045), (5, 41819236), (10, 20909618), (20, 10454809), (103, 2030060), (206, 1015030), (412, 507515), (515, 406012), (1030, 203006), (2060, 101503)]