49908740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5021}}^1$

素因数の和:5108

約数の個数: 48

約数和(自身を含む): 121492224

約数和(自身を除く): 71583484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 5021, 9940, 10042, 20084, 25105, 35147, 50210, 70294, 100420, 140588, 175735, 351470, 356491, 702940, 712982, 1425964, 1782455, 2495437, 3564910, 4990874, 7129820, 9981748, 12477185, 24954370, 49908740]

約数ペア:

[(1, 49908740), (2, 24954370), (4, 12477185), (5, 9981748), (7, 7129820), (10, 4990874), (14, 3564910), (20, 2495437), (28, 1782455), (35, 1425964), (70, 712982), (71, 702940), (140, 356491), (142, 351470), (284, 175735), (355, 140588), (497, 100420), (710, 70294), (994, 50210), (1420, 35147), (1988, 25105), (2485, 20084), (4970, 10042), (5021, 9940)]