61836740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6221}}^1$

素因数の和:6308

約数の個数: 48

約数和(自身を含む): 150522624

約数和(自身を除く): 88685884

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, 6221, 9940, 12442, 24884, 31105, 43547, 62210, 87094, 124420, 174188, 217735, 435470, 441691, 870940, 883382, 1766764, 2208455, 3091837, 4416910, 6183674, 8833820, 12367348, 15459185, 30918370, 61836740]

約数ペア:

[(1, 61836740), (2, 30918370), (4, 15459185), (5, 12367348), (7, 8833820), (10, 6183674), (14, 4416910), (20, 3091837), (28, 2208455), (35, 1766764), (70, 883382), (71, 870940), (140, 441691), (142, 435470), (284, 217735), (355, 174188), (497, 124420), (710, 87094), (994, 62210), (1420, 43547), (1988, 31105), (2485, 24884), (4970, 12442), (6221, 9940)]