8972500

素因数分解:

$2^2\times 5^4\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 60

約数和(自身を含む): 20359108

約数和(自身を除く): 11386608

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 97, 100, 125, 148, 185, 194, 250, 370, 388, 485, 500, 625, 740, 925, 970, 1250, 1850, 1940, 2425, 2500, 3589, 3700, 4625, 4850, 7178, 9250, 9700, 12125, 14356, 17945, 18500, 23125, 24250, 35890, 46250, 48500, 60625, 71780, 89725, 92500, 121250, 179450, 242500, 358900, 448625, 897250, 1794500, 2243125, 4486250, 8972500]

約数ペア:

[(1, 8972500), (2, 4486250), (4, 2243125), (5, 1794500), (10, 897250), (20, 448625), (25, 358900), (37, 242500), (50, 179450), (74, 121250), (97, 92500), (100, 89725), (125, 71780), (148, 60625), (185, 48500), (194, 46250), (250, 35890), (370, 24250), (388, 23125), (485, 18500), (500, 17945), (625, 14356), (740, 12125), (925, 9700), (970, 9250), (1250, 7178), (1850, 4850), (1940, 4625), (2425, 3700), (2500, 3589)]