87800690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{1093}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 164231280

約数和(自身を除く): 76430590

約数列:

[1, 2, 5, 10, 29, 58, 145, 277, 290, 554, 1093, 1385, 2186, 2770, 5465, 8033, 10930, 16066, 31697, 40165, 63394, 80330, 158485, 302761, 316970, 605522, 1513805, 3027610, 8780069, 17560138, 43900345, 87800690]

約数ペア:

[(1, 87800690), (2, 43900345), (5, 17560138), (10, 8780069), (29, 3027610), (58, 1513805), (145, 605522), (277, 316970), (290, 302761), (554, 158485), (1093, 80330), (1385, 63394), (2186, 40165), (2770, 31697), (5465, 16066), (8033, 10930)]