1368820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 2910600

約数和(自身を除く): 1541780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 769, 890, 1538, 1780, 3076, 3845, 7690, 15380, 68441, 136882, 273764, 342205, 684410, 1368820]

約数ペア:

[(1, 1368820), (2, 684410), (4, 342205), (5, 273764), (10, 136882), (20, 68441), (89, 15380), (178, 7690), (356, 3845), (445, 3076), (769, 1780), (890, 1538)]