72843820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{520313}}^1$

素因数の和:520329

約数の個数: 24

約数和(自身を含む): 174825504

約数和(自身を除く): 101981684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 520313, 1040626, 2081252, 2601565, 3642191, 5203130, 7284382, 10406260, 14568764, 18210955, 36421910, 72843820]

約数ペア:

[(1, 72843820), (2, 36421910), (4, 18210955), (5, 14568764), (7, 10406260), (10, 7284382), (14, 5203130), (20, 3642191), (28, 2601565), (35, 2081252), (70, 1040626), (140, 520313)]