8690825

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:75

約数の個数: 54

約数和(自身を含む): 13581162

約数和(自身を除く): 4890337

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 121, 143, 169, 187, 221, 275, 325, 425, 605, 715, 845, 935, 1105, 1573, 1859, 2057, 2431, 2873, 3025, 3575, 4225, 4675, 5525, 7865, 9295, 10285, 12155, 14365, 20449, 26741, 31603, 39325, 46475, 51425, 60775, 71825, 102245, 133705, 158015, 347633, 511225, 668525, 790075, 1738165, 8690825]

約数ペア:

[(1, 8690825), (5, 1738165), (11, 790075), (13, 668525), (17, 511225), (25, 347633), (55, 158015), (65, 133705), (85, 102245), (121, 71825), (143, 60775), (169, 51425), (187, 46475), (221, 39325), (275, 31603), (325, 26741), (425, 20449), (605, 14365), (715, 12155), (845, 10285), (935, 9295), (1105, 7865), (1573, 5525), (1859, 4675), (2057, 4225), (2431, 3575), (2873, 3025)]