3977500

素因数分解:

$2^2\times 5^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 60

約数和(自身を含む): 9140824

約数和(自身を除く): 5163324

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 43, 50, 74, 86, 100, 125, 148, 172, 185, 215, 250, 370, 430, 500, 625, 740, 860, 925, 1075, 1250, 1591, 1850, 2150, 2500, 3182, 3700, 4300, 4625, 5375, 6364, 7955, 9250, 10750, 15910, 18500, 21500, 23125, 26875, 31820, 39775, 46250, 53750, 79550, 92500, 107500, 159100, 198875, 397750, 795500, 994375, 1988750, 3977500]

約数ペア:

[(1, 3977500), (2, 1988750), (4, 994375), (5, 795500), (10, 397750), (20, 198875), (25, 159100), (37, 107500), (43, 92500), (50, 79550), (74, 53750), (86, 46250), (100, 39775), (125, 31820), (148, 26875), (172, 23125), (185, 21500), (215, 18500), (250, 15910), (370, 10750), (430, 9250), (500, 7955), (625, 6364), (740, 5375), (860, 4625), (925, 4300), (1075, 3700), (1250, 3182), (1591, 2500), (1850, 2150)]