121271380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{195599}}^1$

素因数の和:195639

約数の個数: 24

約数和(自身を含む): 262886400

約数和(自身を除く): 141615020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 195599, 391198, 782396, 977995, 1955990, 3911980, 6063569, 12127138, 24254276, 30317845, 60635690, 121271380]

約数ペア:

[(1, 121271380), (2, 60635690), (4, 30317845), (5, 24254276), (10, 12127138), (20, 6063569), (31, 3911980), (62, 1955990), (124, 977995), (155, 782396), (310, 391198), (620, 195599)]