31697320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 75816000

約数和(自身を除く): 44118680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 179, 190, 233, 358, 380, 466, 716, 760, 895, 932, 1165, 1432, 1790, 1864, 2330, 3401, 3580, 4427, 4660, 6802, 7160, 8854, 9320, 13604, 17005, 17708, 22135, 27208, 34010, 35416, 41707, 44270, 68020, 83414, 88540, 136040, 166828, 177080, 208535, 333656, 417070, 792433, 834140, 1584866, 1668280, 3169732, 3962165, 6339464, 7924330, 15848660, 31697320]

約数ペア:

[(1, 31697320), (2, 15848660), (4, 7924330), (5, 6339464), (8, 3962165), (10, 3169732), (19, 1668280), (20, 1584866), (38, 834140), (40, 792433), (76, 417070), (95, 333656), (152, 208535), (179, 177080), (190, 166828), (233, 136040), (358, 88540), (380, 83414), (466, 68020), (716, 44270), (760, 41707), (895, 35416), (932, 34010), (1165, 27208), (1432, 22135), (1790, 17708), (1864, 17005), (2330, 13604), (3401, 9320), (3580, 8854), (4427, 7160), (4660, 6802)]