164035580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 350402976

約数和(自身を除く): 186367396

約数列:

[1, 2, 4, 5, 10, 20, 131, 137, 262, 274, 457, 524, 548, 655, 685, 914, 1310, 1370, 1828, 2285, 2620, 2740, 4570, 9140, 17947, 35894, 59867, 62609, 71788, 89735, 119734, 125218, 179470, 239468, 250436, 299335, 313045, 358940, 598670, 626090, 1197340, 1252180, 8201779, 16403558, 32807116, 41008895, 82017790, 164035580]

約数ペア:

[(1, 164035580), (2, 82017790), (4, 41008895), (5, 32807116), (10, 16403558), (20, 8201779), (131, 1252180), (137, 1197340), (262, 626090), (274, 598670), (457, 358940), (524, 313045), (548, 299335), (655, 250436), (685, 239468), (914, 179470), (1310, 125218), (1370, 119734), (1828, 89735), (2285, 71788), (2620, 62609), (2740, 59867), (4570, 35894), (9140, 17947)]