201433679990

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{128301707}}^1$

素因数の和:128301871

約数の個数: 16

約数和(自身を含む): 364890057552

約数和(自身を除く): 163456377562

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 128301707, 256603414, 641508535, 1283017070, 20143367999, 40286735998, 100716839995, 201433679990]

約数ペア:

[(1, 201433679990), (2, 100716839995), (5, 40286735998), (10, 20143367999), (157, 1283017070), (314, 641508535), (785, 256603414), (1570, 128301707)]