75752740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7621}}^1$

素因数の和:7708

約数の個数: 48

約数和(自身を含む): 184391424

約数和(自身を除く): 108638684

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, 7621, 9940, 15242, 30484, 38105, 53347, 76210, 106694, 152420, 213388, 266735, 533470, 541091, 1066940, 1082182, 2164364, 2705455, 3787637, 5410910, 7575274, 10821820, 15150548, 18938185, 37876370, 75752740]

約数ペア:

[(1, 75752740), (2, 37876370), (4, 18938185), (5, 15150548), (7, 10821820), (10, 7575274), (14, 5410910), (20, 3787637), (28, 2705455), (35, 2164364), (70, 1082182), (71, 1066940), (140, 541091), (142, 533470), (284, 266735), (355, 213388), (497, 152420), (710, 106694), (994, 76210), (1420, 53347), (1988, 38105), (2485, 30484), (4970, 15242), (7621, 9940)]