201492440

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{56599}}^1$

素因数の和:56699

約数の個数: 32

約数和(自身を含む): 458460000

約数和(自身を除く): 256967560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 56599, 113198, 226396, 282995, 452792, 565990, 1131980, 2263960, 5037311, 10074622, 20149244, 25186555, 40298488, 50373110, 100746220, 201492440]

約数ペア:

[(1, 201492440), (2, 100746220), (4, 50373110), (5, 40298488), (8, 25186555), (10, 20149244), (20, 10074622), (40, 5037311), (89, 2263960), (178, 1131980), (356, 565990), (445, 452792), (712, 282995), (890, 226396), (1780, 113198), (3560, 56599)]