207449890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{190321}}^1$

素因数の和:190437

約数の個数: 16

約数和(自身を含む): 376837560

約数和(自身を除く): 169387670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 190321, 380642, 951605, 1903210, 20744989, 41489978, 103724945, 207449890]

約数ペア:

[(1, 207449890), (2, 103724945), (5, 41489978), (10, 20744989), (109, 1903210), (218, 951605), (545, 380642), (1090, 190321)]