729258020

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{83059}}^1$

素因数の和:83507

約数の個数: 24

約数和(自身を含む): 1534948800

約数和(自身を除く): 805690780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 83059, 166118, 332236, 415295, 830590, 1661180, 36462901, 72925802, 145851604, 182314505, 364629010, 729258020]

約数ペア:

[(1, 729258020), (2, 364629010), (4, 182314505), (5, 145851604), (10, 72925802), (20, 36462901), (439, 1661180), (878, 830590), (1756, 415295), (2195, 332236), (4390, 166118), (8780, 83059)]