194630980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1\times {\mathrm{431}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 417021696

約数和(自身を除く): 222390716

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 337, 431, 670, 674, 862, 1340, 1348, 1685, 1724, 2155, 3370, 4310, 6740, 8620, 22579, 28877, 45158, 57754, 90316, 112895, 115508, 144385, 145247, 225790, 288770, 290494, 451580, 577540, 580988, 726235, 1452470, 2904940, 9731549, 19463098, 38926196, 48657745, 97315490, 194630980]

約数ペア:

[(1, 194630980), (2, 97315490), (4, 48657745), (5, 38926196), (10, 19463098), (20, 9731549), (67, 2904940), (134, 1452470), (268, 726235), (335, 580988), (337, 577540), (431, 451580), (670, 290494), (674, 288770), (862, 225790), (1340, 145247), (1348, 144385), (1685, 115508), (1724, 112895), (2155, 90316), (3370, 57754), (4310, 45158), (6740, 28877), (8620, 22579)]