11970475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 17856000

約数和(自身を除く): 5885525

約数列:

[1, 5, 11, 19, 25, 29, 55, 79, 95, 145, 209, 275, 319, 395, 475, 551, 725, 869, 1045, 1501, 1595, 1975, 2291, 2755, 4345, 5225, 6061, 7505, 7975, 11455, 13775, 16511, 21725, 25201, 30305, 37525, 43529, 57275, 82555, 126005, 151525, 217645, 412775, 478819, 630025, 1088225, 2394095, 11970475]

約数ペア:

[(1, 11970475), (5, 2394095), (11, 1088225), (19, 630025), (25, 478819), (29, 412775), (55, 217645), (79, 151525), (95, 126005), (145, 82555), (209, 57275), (275, 43529), (319, 37525), (395, 30305), (475, 25201), (551, 21725), (725, 16511), (869, 13775), (1045, 11455), (1501, 7975), (1595, 7505), (1975, 6061), (2291, 5225), (2755, 4345)]