202426940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113723}}^1$

素因数の和:113821

約数の個数: 24

約数和(自身を含む): 429876720

約数和(自身を除く): 227449780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 113723, 227446, 454892, 568615, 1137230, 2274460, 10121347, 20242694, 40485388, 50606735, 101213470, 202426940]

約数ペア:

[(1, 202426940), (2, 101213470), (4, 50606735), (5, 40485388), (10, 20242694), (20, 10121347), (89, 2274460), (178, 1137230), (356, 568615), (445, 454892), (890, 227446), (1780, 113723)]