218627375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1471}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 289336320

約数和(自身を除く): 70708945

約数列:

[1, 5, 25, 29, 41, 125, 145, 205, 725, 1025, 1189, 1471, 3625, 5125, 5945, 7355, 29725, 36775, 42659, 60311, 148625, 183875, 213295, 301555, 1066475, 1507775, 1749019, 5332375, 7538875, 8745095, 43725475, 218627375]

約数ペア:

[(1, 218627375), (5, 43725475), (25, 8745095), (29, 7538875), (41, 5332375), (125, 1749019), (145, 1507775), (205, 1066475), (725, 301555), (1025, 213295), (1189, 183875), (1471, 148625), (3625, 60311), (5125, 42659), (5945, 36775), (7355, 29725)]