1209366940

素因数分解:

$2^2\times 5^1\times {\mathrm{2237}}^1\times {\mathrm{27031}}^1$

素因数の和:29277

約数の個数: 24

約数和(自身を含む): 2540899872

約数和(自身を除く): 1331532932

約数列:

[1, 2, 4, 5, 10, 20, 2237, 4474, 8948, 11185, 22370, 27031, 44740, 54062, 108124, 135155, 270310, 540620, 60468347, 120936694, 241873388, 302341735, 604683470, 1209366940]

約数ペア:

[(1, 1209366940), (2, 604683470), (4, 302341735), (5, 241873388), (10, 120936694), (20, 60468347), (2237, 540620), (4474, 270310), (8948, 135155), (11185, 108124), (22370, 54062), (27031, 44740)]