208348020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1157489}}^1$

素因数の和:1157504

約数の個数: 36

約数和(自身を含む): 631989540

約数和(自身を除く): 423641520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1157489, 2314978, 3472467, 4629956, 5787445, 6944934, 10417401, 11574890, 13889868, 17362335, 20834802, 23149780, 34724670, 41669604, 52087005, 69449340, 104174010, 208348020]

約数ペア:

[(1, 208348020), (2, 104174010), (3, 69449340), (4, 52087005), (5, 41669604), (6, 34724670), (9, 23149780), (10, 20834802), (12, 17362335), (15, 13889868), (18, 11574890), (20, 10417401), (30, 6944934), (36, 5787445), (45, 4629956), (60, 3472467), (90, 2314978), (180, 1157489)]