90748280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{324101}}^1$

素因数の和:324119

約数の個数: 32

約数和(自身を含む): 233353440

約数和(自身を除く): 142605160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 324101, 648202, 1296404, 1620505, 2268707, 2592808, 3241010, 4537414, 6482020, 9074828, 11343535, 12964040, 18149656, 22687070, 45374140, 90748280]

約数ペア:

[(1, 90748280), (2, 45374140), (4, 22687070), (5, 18149656), (7, 12964040), (8, 11343535), (10, 9074828), (14, 6482020), (20, 4537414), (28, 3241010), (35, 2592808), (40, 2268707), (56, 1620505), (70, 1296404), (140, 648202), (280, 324101)]