2720095

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 4055040

約数和(自身を除く): 1334945

約数列:

[1, 5, 7, 23, 31, 35, 109, 115, 155, 161, 217, 545, 713, 763, 805, 1085, 2507, 3379, 3565, 3815, 4991, 12535, 16895, 17549, 23653, 24955, 77717, 87745, 118265, 388585, 544019, 2720095]

約数ペア:

[(1, 2720095), (5, 544019), (7, 388585), (23, 118265), (31, 87745), (35, 77717), (109, 24955), (115, 23653), (155, 17549), (161, 16895), (217, 12535), (545, 4991), (713, 3815), (763, 3565), (805, 3379), (1085, 2507)]