120239780

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{30211}}^1$

素因数の和:30419

約数の個数: 24

約数和(自身を含む): 253780800

約数和(自身を除く): 133541020

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 30211, 60422, 120844, 151055, 302110, 604220, 6011989, 12023978, 24047956, 30059945, 60119890, 120239780]

約数ペア:

[(1, 120239780), (2, 60119890), (4, 30059945), (5, 24047956), (10, 12023978), (20, 6011989), (199, 604220), (398, 302110), (796, 151055), (995, 120844), (1990, 60422), (3980, 30211)]