280521776

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{2083}}^1$

素因数の和:2553

約数の個数: 40

約数和(自身を含む): 573683520

約数和(自身を除く): 293161744

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 443, 886, 1772, 2083, 3544, 4166, 7088, 8332, 8417, 16664, 16834, 33328, 33668, 39577, 67336, 79154, 134672, 158308, 316616, 633232, 922769, 1845538, 3691076, 7382152, 14764304, 17532611, 35065222, 70130444, 140260888, 280521776]

約数ペア:

[(1, 280521776), (2, 140260888), (4, 70130444), (8, 35065222), (16, 17532611), (19, 14764304), (38, 7382152), (76, 3691076), (152, 1845538), (304, 922769), (443, 633232), (886, 316616), (1772, 158308), (2083, 134672), (3544, 79154), (4166, 67336), (7088, 39577), (8332, 33668), (8417, 33328), (16664, 16834)]