28870930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15439}}^1$

素因数の和:15474

約数の個数: 32

約数和(自身を含む): 60030720

約数和(自身を除く): 31159790

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 15439, 30878, 77195, 154390, 169829, 262463, 339658, 524926, 849145, 1312315, 1698290, 2624630, 2887093, 5774186, 14435465, 28870930]

約数ペア:

[(1, 28870930), (2, 14435465), (5, 5774186), (10, 2887093), (11, 2624630), (17, 1698290), (22, 1312315), (34, 849145), (55, 524926), (85, 339658), (110, 262463), (170, 169829), (187, 154390), (374, 77195), (935, 30878), (1870, 15439)]