28913060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6917}}^1$

素因数の和:6956

約数の個数: 48

約数和(自身を含む): 69733440

約数和(自身を除く): 40820380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 6917, 13834, 27668, 34585, 69170, 76087, 131423, 138340, 152174, 262846, 304348, 380435, 525692, 657115, 760870, 1314230, 1445653, 1521740, 2628460, 2891306, 5782612, 7228265, 14456530, 28913060]

約数ペア:

[(1, 28913060), (2, 14456530), (4, 7228265), (5, 5782612), (10, 2891306), (11, 2628460), (19, 1521740), (20, 1445653), (22, 1314230), (38, 760870), (44, 657115), (55, 525692), (76, 380435), (95, 304348), (110, 262846), (190, 152174), (209, 138340), (220, 131423), (380, 76087), (418, 69170), (836, 34585), (1045, 27668), (2090, 13834), (4180, 6917)]