145344280

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{7951}}^1$

素因数の和:8419

約数の個数: 32

約数和(自身を含む): 327781440

約数和(自身を除く): 182437160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4570, 7951, 9140, 15902, 18280, 31804, 39755, 63608, 79510, 159020, 318040, 3633607, 7267214, 14534428, 18168035, 29068856, 36336070, 72672140, 145344280]

約数ペア:

[(1, 145344280), (2, 72672140), (4, 36336070), (5, 29068856), (8, 18168035), (10, 14534428), (20, 7267214), (40, 3633607), (457, 318040), (914, 159020), (1828, 79510), (2285, 63608), (3656, 39755), (4570, 31804), (7951, 18280), (9140, 15902)]