172243700

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{21803}}^1$

素因数の和:21896

約数の個数: 36

約数和(自身を含む): 378517440

約数和(自身を除く): 206273740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 21803, 43606, 87212, 109015, 218030, 436060, 545075, 1090150, 1722437, 2180300, 3444874, 6889748, 8612185, 17224370, 34448740, 43060925, 86121850, 172243700]

約数ペア:

[(1, 172243700), (2, 86121850), (4, 43060925), (5, 34448740), (10, 17224370), (20, 8612185), (25, 6889748), (50, 3444874), (79, 2180300), (100, 1722437), (158, 1090150), (316, 545075), (395, 436060), (790, 218030), (1580, 109015), (1975, 87212), (3950, 43606), (7900, 21803)]