208051250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{15131}}^1$

素因数の和:15164

約数の個数: 40

約数和(自身を含む): 425451312

約数和(自身を除く): 217400062

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 625, 1250, 1375, 2750, 6875, 13750, 15131, 30262, 75655, 151310, 166441, 332882, 378275, 756550, 832205, 1664410, 1891375, 3782750, 4161025, 8322050, 9456875, 18913750, 20805125, 41610250, 104025625, 208051250]

約数ペア:

[(1, 208051250), (2, 104025625), (5, 41610250), (10, 20805125), (11, 18913750), (22, 9456875), (25, 8322050), (50, 4161025), (55, 3782750), (110, 1891375), (125, 1664410), (250, 832205), (275, 756550), (550, 378275), (625, 332882), (1250, 166441), (1375, 151310), (2750, 75655), (6875, 30262), (13750, 15131)]