309980269370

素因数分解:

$2^1\times 5^1\times {\mathrm{396379}}^1\times {\mathrm{78203}}^1$

素因数の和:474589

約数の個数: 16

約数和(自身を含む): 557973027360

約数和(自身を除く): 247992757990

約数列:

[1, 2, 5, 10, 78203, 156406, 391015, 396379, 782030, 792758, 1981895, 3963790, 30998026937, 61996053874, 154990134685, 309980269370]

約数ペア:

[(1, 309980269370), (2, 154990134685), (5, 61996053874), (10, 30998026937), (78203, 3963790), (156406, 1981895), (391015, 792758), (396379, 782030)]