222740240

素因数分解:

$2^4\times 5^1\times {\mathrm{2784253}}^1$

素因数の和:2784266

約数の個数: 20

約数和(自身を含む): 517871244

約数和(自身を除く): 295131004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2784253, 5568506, 11137012, 13921265, 22274024, 27842530, 44548048, 55685060, 111370120, 222740240]

約数ペア:

[(1, 222740240), (2, 111370120), (4, 55685060), (5, 44548048), (8, 27842530), (10, 22274024), (16, 13921265), (20, 11137012), (40, 5568506), (80, 2784253)]