215434580

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{136351}}^1$

素因数の和:136439

約数の個数: 24

約数和(自身を含む): 458142720

約数和(自身を除く): 242708140

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 136351, 272702, 545404, 681755, 1363510, 2727020, 10771729, 21543458, 43086916, 53858645, 107717290, 215434580]

約数ペア:

[(1, 215434580), (2, 107717290), (4, 53858645), (5, 43086916), (10, 21543458), (20, 10771729), (79, 2727020), (158, 1363510), (316, 681755), (395, 545404), (790, 272702), (1580, 136351)]