90258280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{322351}}^1$

素因数の和:322369

約数の個数: 32

約数和(自身を含む): 232093440

約数和(自身を除く): 141835160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 322351, 644702, 1289404, 1611755, 2256457, 2578808, 3223510, 4512914, 6447020, 9025828, 11282285, 12894040, 18051656, 22564570, 45129140, 90258280]

約数ペア:

[(1, 90258280), (2, 45129140), (4, 22564570), (5, 18051656), (7, 12894040), (8, 11282285), (10, 9025828), (14, 6447020), (20, 4512914), (28, 3223510), (35, 2578808), (40, 2256457), (56, 1611755), (70, 1289404), (140, 644702), (280, 322351)]