11891180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{541}}^1$

素因数の和:714

約数の個数: 48

約数和(自身を含む): 28773696

約数和(自身を除く): 16882516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 541, 628, 785, 1082, 1099, 1570, 2164, 2198, 2705, 3140, 3787, 4396, 5410, 5495, 7574, 10820, 10990, 15148, 18935, 21980, 37870, 75740, 84937, 169874, 339748, 424685, 594559, 849370, 1189118, 1698740, 2378236, 2972795, 5945590, 11891180]

約数ペア:

[(1, 11891180), (2, 5945590), (4, 2972795), (5, 2378236), (7, 1698740), (10, 1189118), (14, 849370), (20, 594559), (28, 424685), (35, 339748), (70, 169874), (140, 84937), (157, 75740), (314, 37870), (541, 21980), (628, 18935), (785, 15148), (1082, 10990), (1099, 10820), (1570, 7574), (2164, 5495), (2198, 5410), (2705, 4396), (3140, 3787)]