28158460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7529}}^1$

素因数の和:7566

約数の個数: 48

約数和(自身を含む): 68312160

約数和(自身を除く): 40153700

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 7529, 15058, 30116, 37645, 75290, 82819, 127993, 150580, 165638, 255986, 331276, 414095, 511972, 639965, 828190, 1279930, 1407923, 1656380, 2559860, 2815846, 5631692, 7039615, 14079230, 28158460]

約数ペア:

[(1, 28158460), (2, 14079230), (4, 7039615), (5, 5631692), (10, 2815846), (11, 2559860), (17, 1656380), (20, 1407923), (22, 1279930), (34, 828190), (44, 639965), (55, 511972), (68, 414095), (85, 331276), (110, 255986), (170, 165638), (187, 150580), (220, 127993), (340, 82819), (374, 75290), (748, 37645), (935, 30116), (1870, 15058), (3740, 7529)]