320428616

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{11777}}^1$

素因数の和:11981

約数の個数: 32

約数和(自身を含む): 636012000

約数和(自身を除く): 315583384

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 179, 358, 716, 1432, 3401, 6802, 11777, 13604, 23554, 27208, 47108, 94216, 223763, 447526, 895052, 1790104, 2108083, 4216166, 8432332, 16864664, 40053577, 80107154, 160214308, 320428616]

約数ペア:

[(1, 320428616), (2, 160214308), (4, 80107154), (8, 40053577), (19, 16864664), (38, 8432332), (76, 4216166), (152, 2108083), (179, 1790104), (358, 895052), (716, 447526), (1432, 223763), (3401, 94216), (6802, 47108), (11777, 27208), (13604, 23554)]