220904495

素因数分解:

$5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{5743}}^1$

素因数の和:5919

約数の個数: 24

約数和(自身を含む): 310382784

約数和(自身を除く): 89478289

約数列:

[1, 5, 7, 35, 49, 157, 245, 785, 1099, 5495, 5743, 7693, 28715, 38465, 40201, 201005, 281407, 901651, 1407035, 4508255, 6311557, 31557785, 44180899, 220904495]

約数ペア:

[(1, 220904495), (5, 44180899), (7, 31557785), (35, 6311557), (49, 4508255), (157, 1407035), (245, 901651), (785, 281407), (1099, 201005), (5495, 40201), (5743, 38465), (7693, 28715)]