196655890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{7901}}^1$

素因数の和:8058

約数の個数: 32

約数和(自身を含む): 375503040

約数和(自身を除く): 178847150

約数列:

[1, 2, 5, 10, 19, 38, 95, 131, 190, 262, 655, 1310, 2489, 4978, 7901, 12445, 15802, 24890, 39505, 79010, 150119, 300238, 750595, 1035031, 1501190, 2070062, 5175155, 10350310, 19665589, 39331178, 98327945, 196655890]

約数ペア:

[(1, 196655890), (2, 98327945), (5, 39331178), (10, 19665589), (19, 10350310), (38, 5175155), (95, 2070062), (131, 1501190), (190, 1035031), (262, 750595), (655, 300238), (1310, 150119), (2489, 79010), (4978, 39505), (7901, 24890), (12445, 15802)]