220121900

素因数分解:

$2^2\times 5^2\times {\mathrm{227}}^1\times {\mathrm{9697}}^1$

素因数の和:9938

約数の個数: 36

約数和(自身を含む): 479818248

約数和(自身を除く): 259696348

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 227, 454, 908, 1135, 2270, 4540, 5675, 9697, 11350, 19394, 22700, 38788, 48485, 96970, 193940, 242425, 484850, 969700, 2201219, 4402438, 8804876, 11006095, 22012190, 44024380, 55030475, 110060950, 220121900]

約数ペア:

[(1, 220121900), (2, 110060950), (4, 55030475), (5, 44024380), (10, 22012190), (20, 11006095), (25, 8804876), (50, 4402438), (100, 2201219), (227, 969700), (454, 484850), (908, 242425), (1135, 193940), (2270, 96970), (4540, 48485), (5675, 38788), (9697, 22700), (11350, 19394)]