129389990

素因数分解:

$2^1\times 5^1\times {\mathrm{599}}^1\times {\mathrm{21601}}^1$

素因数の和:22207

約数の個数: 16

約数和(自身を含む): 233301600

約数和(自身を除く): 103911610

約数列:

[1, 2, 5, 10, 599, 1198, 2995, 5990, 21601, 43202, 108005, 216010, 12938999, 25877998, 64694995, 129389990]

約数ペア:

[(1, 129389990), (2, 64694995), (5, 25877998), (10, 12938999), (599, 216010), (1198, 108005), (2995, 43202), (5990, 21601)]