68420500

素因数分解:

$2^2\times 5^3\times {\mathrm{136841}}^1$

素因数の和:136860

約数の個数: 24

約数和(自身を含む): 149431464

約数和(自身を除く): 81010964

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 136841, 273682, 547364, 684205, 1368410, 2736820, 3421025, 6842050, 13684100, 17105125, 34210250, 68420500]

約数ペア:

[(1, 68420500), (2, 34210250), (4, 17105125), (5, 13684100), (10, 6842050), (20, 3421025), (25, 2736820), (50, 1368410), (100, 684205), (125, 547364), (250, 273682), (500, 136841)]