218791120

素因数分解:

$2^4\times 5^1\times {\mathrm{827}}^1\times {\mathrm{3307}}^1$

素因数の和:4147

約数の個数: 40

約数和(自身を含む): 509458464

約数和(自身を除く): 290667344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 827, 1654, 3307, 3308, 4135, 6614, 6616, 8270, 13228, 13232, 16535, 16540, 26456, 33070, 33080, 52912, 66140, 66160, 132280, 264560, 2734889, 5469778, 10939556, 13674445, 21879112, 27348890, 43758224, 54697780, 109395560, 218791120]

約数ペア:

[(1, 218791120), (2, 109395560), (4, 54697780), (5, 43758224), (8, 27348890), (10, 21879112), (16, 13674445), (20, 10939556), (40, 5469778), (80, 2734889), (827, 264560), (1654, 132280), (3307, 66160), (3308, 66140), (4135, 52912), (6614, 33080), (6616, 33070), (8270, 26456), (13228, 16540), (13232, 16535)]