290202520

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{37591}}^1$

素因数の和:37795

約数の個数: 32

約数和(自身を含む): 656356320

約数和(自身を除く): 366153800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 37591, 75182, 150364, 187955, 300728, 375910, 751820, 1503640, 7255063, 14510126, 29020252, 36275315, 58040504, 72550630, 145101260, 290202520]

約数ペア:

[(1, 290202520), (2, 145101260), (4, 72550630), (5, 58040504), (8, 36275315), (10, 29020252), (20, 14510126), (40, 7255063), (193, 1503640), (386, 751820), (772, 375910), (965, 300728), (1544, 187955), (1930, 150364), (3860, 75182), (7720, 37591)]