2194580

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{557}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 4640328

約数和(自身を除く): 2445748

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 557, 788, 985, 1114, 1970, 2228, 2785, 3940, 5570, 11140, 109729, 219458, 438916, 548645, 1097290, 2194580]

約数ペア:

[(1, 2194580), (2, 1097290), (4, 548645), (5, 438916), (10, 219458), (20, 109729), (197, 11140), (394, 5570), (557, 3940), (788, 2785), (985, 2228), (1114, 1970)]