280430830

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{5563}}^1$

素因数の和:5712

約数の個数: 24

約数和(自身を含む): 512077176

約数和(自身を除く): 231646346

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 5041, 5563, 10082, 11126, 25205, 27815, 50410, 55630, 394973, 789946, 1974865, 3949730, 28043083, 56086166, 140215415, 280430830]

約数ペア:

[(1, 280430830), (2, 140215415), (5, 56086166), (10, 28043083), (71, 3949730), (142, 1974865), (355, 789946), (710, 394973), (5041, 55630), (5563, 50410), (10082, 27815), (11126, 25205)]