78373220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{691}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 169501248

約数和(自身を除く): 91128028

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 107, 212, 214, 265, 428, 530, 535, 691, 1060, 1070, 1382, 2140, 2764, 3455, 5671, 6910, 11342, 13820, 22684, 28355, 36623, 56710, 73246, 73937, 113420, 146492, 147874, 183115, 295748, 366230, 369685, 732460, 739370, 1478740, 3918661, 7837322, 15674644, 19593305, 39186610, 78373220]

約数ペア:

[(1, 78373220), (2, 39186610), (4, 19593305), (5, 15674644), (10, 7837322), (20, 3918661), (53, 1478740), (106, 739370), (107, 732460), (212, 369685), (214, 366230), (265, 295748), (428, 183115), (530, 147874), (535, 146492), (691, 113420), (1060, 73937), (1070, 73246), (1382, 56710), (2140, 36623), (2764, 28355), (3455, 22684), (5671, 13820), (6910, 11342)]