90557320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{323419}}^1$

素因数の和:323437

約数の個数: 32

約数和(自身を含む): 232862400

約数和(自身を除く): 142305080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 323419, 646838, 1293676, 1617095, 2263933, 2587352, 3234190, 4527866, 6468380, 9055732, 11319665, 12936760, 18111464, 22639330, 45278660, 90557320]

約数ペア:

[(1, 90557320), (2, 45278660), (4, 22639330), (5, 18111464), (7, 12936760), (8, 11319665), (10, 9055732), (14, 6468380), (20, 4527866), (28, 3234190), (35, 2587352), (40, 2263933), (56, 1617095), (70, 1293676), (140, 646838), (280, 323419)]