642886030

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{145121}}^1$

素因数の和:145571

約数の個数: 16

約数和(自身を含む): 1159815024

約数和(自身を除く): 516928994

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 145121, 290242, 725605, 1451210, 64288603, 128577206, 321443015, 642886030]

約数ペア:

[(1, 642886030), (2, 321443015), (5, 128577206), (10, 64288603), (443, 1451210), (886, 725605), (2215, 290242), (4430, 145121)]