90197975

素因数分解:

$5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2539}}^1$

素因数の和:2592

約数の個数: 36

約数和(自身を含む): 134645400

約数和(自身を除く): 44447425

約数列:

[1, 5, 7, 25, 29, 35, 49, 145, 175, 203, 245, 725, 1015, 1225, 1421, 2539, 5075, 7105, 12695, 17773, 35525, 63475, 73631, 88865, 124411, 368155, 444325, 515417, 622055, 1840775, 2577085, 3110275, 3607919, 12885425, 18039595, 90197975]

約数ペア:

[(1, 90197975), (5, 18039595), (7, 12885425), (25, 3607919), (29, 3110275), (35, 2577085), (49, 1840775), (145, 622055), (175, 515417), (203, 444325), (245, 368155), (725, 124411), (1015, 88865), (1225, 73631), (1421, 63475), (2539, 35525), (5075, 17773), (7105, 12695)]