550455640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1965913}}^1$

素因数の和:1965931

約数の個数: 32

約数和(自身を含む): 1415458080

約数和(自身を除く): 865002440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1965913, 3931826, 7863652, 9829565, 13761391, 15727304, 19659130, 27522782, 39318260, 55045564, 68806955, 78636520, 110091128, 137613910, 275227820, 550455640]

約数ペア:

[(1, 550455640), (2, 275227820), (4, 137613910), (5, 110091128), (7, 78636520), (8, 68806955), (10, 55045564), (14, 39318260), (20, 27522782), (28, 19659130), (35, 15727304), (40, 13761391), (56, 9829565), (70, 7863652), (140, 3931826), (280, 1965913)]