290469040

素因数分解:

$2^4\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{2251}}^1$

素因数の和:3877

約数の個数: 40

約数和(自身を含む): 676059408

約数和(自身を除く): 385590368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1613, 2251, 3226, 4502, 6452, 8065, 9004, 11255, 12904, 16130, 18008, 22510, 25808, 32260, 36016, 45020, 64520, 90040, 129040, 180080, 3630863, 7261726, 14523452, 18154315, 29046904, 36308630, 58093808, 72617260, 145234520, 290469040]

約数ペア:

[(1, 290469040), (2, 145234520), (4, 72617260), (5, 58093808), (8, 36308630), (10, 29046904), (16, 18154315), (20, 14523452), (40, 7261726), (80, 3630863), (1613, 180080), (2251, 129040), (3226, 90040), (4502, 64520), (6452, 45020), (8065, 36016), (9004, 32260), (11255, 25808), (12904, 22510), (16130, 18008)]