100688750

素因数分解:

$2^1\times 5^4\times {\mathrm{109}}^1\times {\mathrm{739}}^1$

素因数の和:870

約数の個数: 40

約数和(自身を含む): 190720200

約数和(自身を除く): 90031450

約数列:

[1, 2, 5, 10, 25, 50, 109, 125, 218, 250, 545, 625, 739, 1090, 1250, 1478, 2725, 3695, 5450, 7390, 13625, 18475, 27250, 36950, 68125, 80551, 92375, 136250, 161102, 184750, 402755, 461875, 805510, 923750, 2013775, 4027550, 10068875, 20137750, 50344375, 100688750]

約数ペア:

[(1, 100688750), (2, 50344375), (5, 20137750), (10, 10068875), (25, 4027550), (50, 2013775), (109, 923750), (125, 805510), (218, 461875), (250, 402755), (545, 184750), (625, 161102), (739, 136250), (1090, 92375), (1250, 80551), (1478, 68125), (2725, 36950), (3695, 27250), (5450, 18475), (7390, 13625)]