561234890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1\times {\mathrm{937}}^1$

素因数の和:1706

約数の個数: 32

約数和(自身を含む): 1024183440

約数和(自身を除く): 462948550

約数列:

[1, 2, 5, 10, 89, 178, 445, 673, 890, 937, 1346, 1874, 3365, 4685, 6730, 9370, 59897, 83393, 119794, 166786, 299485, 416965, 598970, 630601, 833930, 1261202, 3153005, 6306010, 56123489, 112246978, 280617445, 561234890]

約数ペア:

[(1, 561234890), (2, 280617445), (5, 112246978), (10, 56123489), (89, 6306010), (178, 3153005), (445, 1261202), (673, 833930), (890, 630601), (937, 598970), (1346, 416965), (1874, 299485), (3365, 166786), (4685, 119794), (6730, 83393), (9370, 59897)]