478820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 1020600

約数和(自身を除く): 541780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 269, 356, 445, 538, 890, 1076, 1345, 1780, 2690, 5380, 23941, 47882, 95764, 119705, 239410, 478820]

約数ペア:

[(1, 478820), (2, 239410), (4, 119705), (5, 95764), (10, 47882), (20, 23941), (89, 5380), (178, 2690), (269, 1780), (356, 1345), (445, 1076), (538, 890)]