68385625

素因数分解:

$5^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:81

約数の個数: 80

約数和(自身を含む): 112464000

約数和(自身を除く): 44078375

約数列:

[1, 5, 7, 11, 25, 29, 35, 49, 55, 77, 125, 145, 175, 203, 245, 275, 319, 343, 385, 539, 625, 725, 875, 1015, 1225, 1375, 1421, 1595, 1715, 1925, 2233, 2695, 3625, 3773, 4375, 5075, 6125, 6875, 7105, 7975, 8575, 9625, 9947, 11165, 13475, 15631, 18125, 18865, 25375, 30625, 35525, 39875, 42875, 48125, 49735, 55825, 67375, 78155, 94325, 109417, 126875, 177625, 199375, 214375, 248675, 279125, 336875, 390775, 471625, 547085, 888125, 1243375, 1395625, 1953875, 2358125, 2735425, 6216875, 9769375, 13677125, 68385625]

約数ペア:

[(1, 68385625), (5, 13677125), (7, 9769375), (11, 6216875), (25, 2735425), (29, 2358125), (35, 1953875), (49, 1395625), (55, 1243375), (77, 888125), (125, 547085), (145, 471625), (175, 390775), (203, 336875), (245, 279125), (275, 248675), (319, 214375), (343, 199375), (385, 177625), (539, 126875), (625, 109417), (725, 94325), (875, 78155), (1015, 67375), (1225, 55825), (1375, 49735), (1421, 48125), (1595, 42875), (1715, 39875), (1925, 35525), (2233, 30625), (2695, 25375), (3625, 18865), (3773, 18125), (4375, 15631), (5075, 13475), (6125, 11165), (6875, 9947), (7105, 9625), (7975, 8575)]