56847860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 122245200

約数和(自身を除く): 65397340

約数列:

[1, 2, 4, 5, 10, 20, 89, 109, 178, 218, 293, 356, 436, 445, 545, 586, 890, 1090, 1172, 1465, 1780, 2180, 2930, 5860, 9701, 19402, 26077, 31937, 38804, 48505, 52154, 63874, 97010, 104308, 127748, 130385, 159685, 194020, 260770, 319370, 521540, 638740, 2842393, 5684786, 11369572, 14211965, 28423930, 56847860]

約数ペア:

[(1, 56847860), (2, 28423930), (4, 14211965), (5, 11369572), (10, 5684786), (20, 2842393), (89, 638740), (109, 521540), (178, 319370), (218, 260770), (293, 194020), (356, 159685), (436, 130385), (445, 127748), (545, 104308), (586, 97010), (890, 63874), (1090, 52154), (1172, 48505), (1465, 38804), (1780, 31937), (2180, 26077), (2930, 19402), (5860, 9701)]