85764280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{306301}}^1$

素因数の和:306319

約数の個数: 32

約数和(自身を含む): 220537440

約数和(自身を除く): 134773160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 306301, 612602, 1225204, 1531505, 2144107, 2450408, 3063010, 4288214, 6126020, 8576428, 10720535, 12252040, 17152856, 21441070, 42882140, 85764280]

約数ペア:

[(1, 85764280), (2, 42882140), (4, 21441070), (5, 17152856), (7, 12252040), (8, 10720535), (10, 8576428), (14, 6126020), (20, 4288214), (28, 3063010), (35, 2450408), (40, 2144107), (56, 1531505), (70, 1225204), (140, 612602), (280, 306301)]