99817480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5021}}^1$

素因数の和:5110

約数の個数: 64

約数和(自身を含む): 260340480

約数和(自身を除く): 160523000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 5021, 9940, 10042, 19880, 20084, 25105, 35147, 40168, 50210, 70294, 100420, 140588, 175735, 200840, 281176, 351470, 356491, 702940, 712982, 1405880, 1425964, 1782455, 2495437, 2851928, 3564910, 4990874, 7129820, 9981748, 12477185, 14259640, 19963496, 24954370, 49908740, 99817480]

約数ペア:

[(1, 99817480), (2, 49908740), (4, 24954370), (5, 19963496), (7, 14259640), (8, 12477185), (10, 9981748), (14, 7129820), (20, 4990874), (28, 3564910), (35, 2851928), (40, 2495437), (56, 1782455), (70, 1425964), (71, 1405880), (140, 712982), (142, 702940), (280, 356491), (284, 351470), (355, 281176), (497, 200840), (568, 175735), (710, 140588), (994, 100420), (1420, 70294), (1988, 50210), (2485, 40168), (2840, 35147), (3976, 25105), (4970, 20084), (5021, 19880), (9940, 10042)]