354359920

素因数分解:

$2^4\times 5^1\times {\mathrm{4429499}}^1$

素因数の和:4429512

約数の個数: 20

約数和(自身を含む): 823887000

約数和(自身を除く): 469527080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4429499, 8858998, 17717996, 22147495, 35435992, 44294990, 70871984, 88589980, 177179960, 354359920]

約数ペア:

[(1, 354359920), (2, 177179960), (4, 88589980), (5, 70871984), (8, 44294990), (10, 35435992), (16, 22147495), (20, 17717996), (40, 8858998), (80, 4429499)]