28645000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 71274060

約数和(自身を除く): 42629060

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 337, 340, 425, 500, 625, 674, 680, 850, 1000, 1250, 1348, 1685, 1700, 2125, 2500, 2696, 3370, 3400, 4250, 5000, 5729, 6740, 8425, 8500, 10625, 11458, 13480, 16850, 17000, 21250, 22916, 28645, 33700, 42125, 42500, 45832, 57290, 67400, 84250, 85000, 114580, 143225, 168500, 210625, 229160, 286450, 337000, 421250, 572900, 716125, 842500, 1145800, 1432250, 1685000, 2864500, 3580625, 5729000, 7161250, 14322500, 28645000]

約数ペア:

[(1, 28645000), (2, 14322500), (4, 7161250), (5, 5729000), (8, 3580625), (10, 2864500), (17, 1685000), (20, 1432250), (25, 1145800), (34, 842500), (40, 716125), (50, 572900), (68, 421250), (85, 337000), (100, 286450), (125, 229160), (136, 210625), (170, 168500), (200, 143225), (250, 114580), (337, 85000), (340, 84250), (425, 67400), (500, 57290), (625, 45832), (674, 42500), (680, 42125), (850, 33700), (1000, 28645), (1250, 22916), (1348, 21250), (1685, 17000), (1700, 16850), (2125, 13480), (2500, 11458), (2696, 10625), (3370, 8500), (3400, 8425), (4250, 6740), (5000, 5729)]