99322220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{55799}}^1$

素因数の和:55897

約数の個数: 24

約数和(自身を含む): 210924000

約数和(自身を除く): 111601780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 55799, 111598, 223196, 278995, 557990, 1115980, 4966111, 9932222, 19864444, 24830555, 49661110, 99322220]

約数ペア:

[(1, 99322220), (2, 49661110), (4, 24830555), (5, 19864444), (10, 9932222), (20, 4966111), (89, 1115980), (178, 557990), (356, 278995), (445, 223196), (890, 111598), (1780, 55799)]