121330280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97847}}^1$

素因数の和:97889

約数の個数: 32

約数和(自身を含む): 281802240

約数和(自身を除く): 160471960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 97847, 195694, 391388, 489235, 782776, 978470, 1956940, 3033257, 3913880, 6066514, 12133028, 15166285, 24266056, 30332570, 60665140, 121330280]

約数ペア:

[(1, 121330280), (2, 60665140), (4, 30332570), (5, 24266056), (8, 15166285), (10, 12133028), (20, 6066514), (31, 3913880), (40, 3033257), (62, 1956940), (124, 978470), (155, 782776), (248, 489235), (310, 391388), (620, 195694), (1240, 97847)]