178648990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47387}}^1$

素因数の和:47436

約数の個数: 32

約数和(自身を含む): 358253280

約数和(自身を除く): 179604290

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 47387, 94774, 236935, 473870, 616031, 1232062, 1374223, 2748446, 3080155, 6160310, 6871115, 13742230, 17864899, 35729798, 89324495, 178648990]

約数ペア:

[(1, 178648990), (2, 89324495), (5, 35729798), (10, 17864899), (13, 13742230), (26, 6871115), (29, 6160310), (58, 3080155), (65, 2748446), (130, 1374223), (145, 1232062), (290, 616031), (377, 473870), (754, 236935), (1885, 94774), (3770, 47387)]