189042500

素因数分解:

$2^2\times 5^4\times {\mathrm{75617}}^1$

素因数の和:75641

約数の個数: 30

約数和(自身を含む): 413403606

約数和(自身を除く): 224361106

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 75617, 151234, 302468, 378085, 756170, 1512340, 1890425, 3780850, 7561700, 9452125, 18904250, 37808500, 47260625, 94521250, 189042500]

約数ペア:

[(1, 189042500), (2, 94521250), (4, 47260625), (5, 37808500), (10, 18904250), (20, 9452125), (25, 7561700), (50, 3780850), (100, 1890425), (125, 1512340), (250, 756170), (500, 378085), (625, 302468), (1250, 151234), (2500, 75617)]