30599980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17191}}^1$

素因数の和:17289

約数の個数: 24

約数和(自身を含む): 64985760

約数和(自身を除く): 34385780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 17191, 34382, 68764, 85955, 171910, 343820, 1529999, 3059998, 6119996, 7649995, 15299990, 30599980]

約数ペア:

[(1, 30599980), (2, 15299990), (4, 7649995), (5, 6119996), (10, 3059998), (20, 1529999), (89, 343820), (178, 171910), (356, 85955), (445, 68764), (890, 34382), (1780, 17191)]