204756571825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1950527}}^1$

素因数の和:1950586

約数の個数: 48

約数和(自身を含む): 304750494720

約数和(自身を除く): 99993922895

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 221, 247, 323, 325, 425, 475, 1105, 1235, 1615, 4199, 5525, 6175, 8075, 20995, 104975, 1950527, 9752635, 25356851, 33158959, 37060013, 48763175, 126784255, 165794795, 185300065, 431066467, 481780169, 630020221, 633921275, 828973975, 926500325, 2155332335, 2408900845, 3150101105, 8190262873, 10776661675, 12044504225, 15750505525, 40951314365, 204756571825]

約数ペア:

[(1, 204756571825), (5, 40951314365), (13, 15750505525), (17, 12044504225), (19, 10776661675), (25, 8190262873), (65, 3150101105), (85, 2408900845), (95, 2155332335), (221, 926500325), (247, 828973975), (323, 633921275), (325, 630020221), (425, 481780169), (475, 431066467), (1105, 185300065), (1235, 165794795), (1615, 126784255), (4199, 48763175), (5525, 37060013), (6175, 33158959), (8075, 25356851), (20995, 9752635), (104975, 1950527)]