349361180

素因数分解:

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

素因数の和:5115

約数の個数: 72

約数和(自身を含む): 865632096

約数和(自身を除く): 516270916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 3479, 4970, 5021, 6958, 9940, 10042, 13916, 17395, 20084, 25105, 34790, 35147, 50210, 69580, 70294, 100420, 140588, 175735, 246029, 351470, 356491, 492058, 702940, 712982, 984116, 1230145, 1425964, 1782455, 2460290, 2495437, 3564910, 4920580, 4990874, 7129820, 9981748, 12477185, 17468059, 24954370, 34936118, 49908740, 69872236, 87340295, 174680590, 349361180]

約数ペア:

[(1, 349361180), (2, 174680590), (4, 87340295), (5, 69872236), (7, 49908740), (10, 34936118), (14, 24954370), (20, 17468059), (28, 12477185), (35, 9981748), (49, 7129820), (70, 4990874), (71, 4920580), (98, 3564910), (140, 2495437), (142, 2460290), (196, 1782455), (245, 1425964), (284, 1230145), (355, 984116), (490, 712982), (497, 702940), (710, 492058), (980, 356491), (994, 351470), (1420, 246029), (1988, 175735), (2485, 140588), (3479, 100420), (4970, 70294), (5021, 69580), (6958, 50210), (9940, 35147), (10042, 34790), (13916, 25105), (17395, 20084)]