205101610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{2999}}^1$

素因数の和:3990

約数の個数: 32

約数和(自身を含む): 422496000

約数和(自身を除く): 217394390

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 977, 1954, 2999, 4885, 5998, 6839, 9770, 13678, 14995, 20993, 29990, 34195, 41986, 68390, 104965, 209930, 2930023, 5860046, 14650115, 20510161, 29300230, 41020322, 102550805, 205101610]

約数ペア:

[(1, 205101610), (2, 102550805), (5, 41020322), (7, 29300230), (10, 20510161), (14, 14650115), (35, 5860046), (70, 2930023), (977, 209930), (1954, 104965), (2999, 68390), (4885, 41986), (5998, 34195), (6839, 29990), (9770, 20993), (13678, 14995)]