203466820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{28181}}^1$

素因数の和:28228

約数の個数: 36

約数和(自身を含む): 450968364

約数和(自身を除く): 247501544

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 28181, 56362, 112724, 140905, 281810, 535439, 563620, 1070878, 2141756, 2677195, 5354390, 10173341, 10708780, 20346682, 40693364, 50866705, 101733410, 203466820]

約数ペア:

[(1, 203466820), (2, 101733410), (4, 50866705), (5, 40693364), (10, 20346682), (19, 10708780), (20, 10173341), (38, 5354390), (76, 2677195), (95, 2141756), (190, 1070878), (361, 563620), (380, 535439), (722, 281810), (1444, 140905), (1805, 112724), (3610, 56362), (7220, 28181)]