78640310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15823}}^1$

素因数の和:15908

約数の個数: 32

約数和(自身を含む): 164063232

約数和(自身を除く): 85422922

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 15823, 31646, 79115, 110761, 158230, 221522, 553805, 1107610, 1123433, 2246866, 5617165, 7864031, 11234330, 15728062, 39320155, 78640310]

約数ペア:

[(1, 78640310), (2, 39320155), (5, 15728062), (7, 11234330), (10, 7864031), (14, 5617165), (35, 2246866), (70, 1123433), (71, 1107610), (142, 553805), (355, 221522), (497, 158230), (710, 110761), (994, 79115), (2485, 31646), (4970, 15823)]