221844280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{792301}}^1$

素因数の和:792319

約数の個数: 32

約数和(自身を含む): 570457440

約数和(自身を除く): 348613160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 792301, 1584602, 3169204, 3961505, 5546107, 6338408, 7923010, 11092214, 15846020, 22184428, 27730535, 31692040, 44368856, 55461070, 110922140, 221844280]

約数ペア:

[(1, 221844280), (2, 110922140), (4, 55461070), (5, 44368856), (7, 31692040), (8, 27730535), (10, 22184428), (14, 15846020), (20, 11092214), (28, 7923010), (35, 6338408), (40, 5546107), (56, 3961505), (70, 3169204), (140, 1584602), (280, 792301)]