996869420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{560039}}^1$

素因数の和:560137

約数の個数: 24

約数和(自身を含む): 2116951200

約数和(自身を除く): 1120081780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 560039, 1120078, 2240156, 2800195, 5600390, 11200780, 49843471, 99686942, 199373884, 249217355, 498434710, 996869420]

約数ペア:

[(1, 996869420), (2, 498434710), (4, 249217355), (5, 199373884), (10, 99686942), (20, 49843471), (89, 11200780), (178, 5600390), (356, 2800195), (445, 2240156), (890, 1120078), (1780, 560039)]