199780380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1109891}}^1$

素因数の和:1109906

約数の個数: 36

約数和(自身を含む): 606001032

約数和(自身を除く): 406220652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1109891, 2219782, 3329673, 4439564, 5549455, 6659346, 9989019, 11098910, 13318692, 16648365, 19978038, 22197820, 33296730, 39956076, 49945095, 66593460, 99890190, 199780380]

約数ペア:

[(1, 199780380), (2, 99890190), (3, 66593460), (4, 49945095), (5, 39956076), (6, 33296730), (9, 22197820), (10, 19978038), (12, 16648365), (15, 13318692), (18, 11098910), (20, 9989019), (30, 6659346), (36, 5549455), (45, 4439564), (60, 3329673), (90, 2219782), (180, 1109891)]