1384580

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:763

約数の個数: 24

約数和(自身を含む): 2939328

約数和(自身を除く): 1554748

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 647, 1070, 1294, 2140, 2588, 3235, 6470, 12940, 69229, 138458, 276916, 346145, 692290, 1384580]

約数ペア:

[(1, 1384580), (2, 692290), (4, 346145), (5, 276916), (10, 138458), (20, 69229), (107, 12940), (214, 6470), (428, 3235), (535, 2588), (647, 2140), (1070, 1294)]