156967220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{39439}}^1$

素因数の和:39647

約数の個数: 24

約数和(自身を含む): 331296000

約数和(自身を除く): 174328780

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 39439, 78878, 157756, 197195, 394390, 788780, 7848361, 15696722, 31393444, 39241805, 78483610, 156967220]

約数ペア:

[(1, 156967220), (2, 78483610), (4, 39241805), (5, 31393444), (10, 15696722), (20, 7848361), (199, 788780), (398, 394390), (796, 197195), (995, 157756), (1990, 78878), (3980, 39439)]