207974180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{95401}}^1$

素因数の和:95519

約数の個数: 24

約数和(自身を含む): 440757240

約数和(自身を除く): 232783060

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 95401, 190802, 381604, 477005, 954010, 1908020, 10398709, 20797418, 41594836, 51993545, 103987090, 207974180]

約数ペア:

[(1, 207974180), (2, 103987090), (4, 51993545), (5, 41594836), (10, 20797418), (20, 10398709), (109, 1908020), (218, 954010), (436, 477005), (545, 381604), (1090, 190802), (2180, 95401)]