168124460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1200889}}^1$

素因数の和:1200905

約数の個数: 24

約数和(自身を含む): 403499040

約数和(自身を除く): 235374580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1200889, 2401778, 4803556, 6004445, 8406223, 12008890, 16812446, 24017780, 33624892, 42031115, 84062230, 168124460]

約数ペア:

[(1, 168124460), (2, 84062230), (4, 42031115), (5, 33624892), (7, 24017780), (10, 16812446), (14, 12008890), (20, 8406223), (28, 6004445), (35, 4803556), (70, 2401778), (140, 1200889)]