19082500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:490

約数の個数: 60

約数和(自身を含む): 44282700

約数和(自身を除く): 25200200

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 449, 500, 625, 850, 898, 1250, 1700, 1796, 2125, 2245, 2500, 4250, 4490, 7633, 8500, 8980, 10625, 11225, 15266, 21250, 22450, 30532, 38165, 42500, 44900, 56125, 76330, 112250, 152660, 190825, 224500, 280625, 381650, 561250, 763300, 954125, 1122500, 1908250, 3816500, 4770625, 9541250, 19082500]

約数ペア:

[(1, 19082500), (2, 9541250), (4, 4770625), (5, 3816500), (10, 1908250), (17, 1122500), (20, 954125), (25, 763300), (34, 561250), (50, 381650), (68, 280625), (85, 224500), (100, 190825), (125, 152660), (170, 112250), (250, 76330), (340, 56125), (425, 44900), (449, 42500), (500, 38165), (625, 30532), (850, 22450), (898, 21250), (1250, 15266), (1700, 11225), (1796, 10625), (2125, 8980), (2245, 8500), (2500, 7633), (4250, 4490)]