207759980

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{52201}}^1$

素因数の和:52409

約数の個数: 24

約数和(自身を含む): 438496800

約数和(自身を除く): 230736820

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 52201, 104402, 208804, 261005, 522010, 1044020, 10387999, 20775998, 41551996, 51939995, 103879990, 207759980]

約数ペア:

[(1, 207759980), (2, 103879990), (4, 51939995), (5, 41551996), (10, 20775998), (20, 10387999), (199, 1044020), (398, 522010), (796, 261005), (995, 208804), (1990, 104402), (3980, 52201)]