208023760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{371471}}^1$

素因数の和:371491

約数の個数: 40

約数和(自身を含む): 552750336

約数和(自身を除く): 344726576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 371471, 742942, 1485884, 1857355, 2600297, 2971768, 3714710, 5200594, 5943536, 7429420, 10401188, 13001485, 14858840, 20802376, 26002970, 29717680, 41604752, 52005940, 104011880, 208023760]

約数ペア:

[(1, 208023760), (2, 104011880), (4, 52005940), (5, 41604752), (7, 29717680), (8, 26002970), (10, 20802376), (14, 14858840), (16, 13001485), (20, 10401188), (28, 7429420), (35, 5943536), (40, 5200594), (56, 3714710), (70, 2971768), (80, 2600297), (112, 1857355), (140, 1485884), (280, 742942), (560, 371471)]