128211430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29339}}^1$

素因数の和:29388

約数の個数: 32

約数和(自身を含む): 253497600

約数和(自身を除く): 125286170

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 29339, 58678, 146695, 293390, 557441, 674797, 1114882, 1349594, 2787205, 3373985, 5574410, 6747970, 12821143, 25642286, 64105715, 128211430]

約数ペア:

[(1, 128211430), (2, 64105715), (5, 25642286), (10, 12821143), (19, 6747970), (23, 5574410), (38, 3373985), (46, 2787205), (95, 1349594), (115, 1114882), (190, 674797), (230, 557441), (437, 293390), (874, 146695), (2185, 58678), (4370, 29339)]