28005110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3739}}^1$

素因数の和:3860

約数の個数: 32

約数和(自身を含む): 58164480

約数和(自身を除く): 30159370

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 3739, 3745, 7478, 7490, 18695, 26173, 37390, 52346, 130865, 261730, 400073, 800146, 2000365, 2800511, 4000730, 5601022, 14002555, 28005110]

約数ペア:

[(1, 28005110), (2, 14002555), (5, 5601022), (7, 4000730), (10, 2800511), (14, 2000365), (35, 800146), (70, 400073), (107, 261730), (214, 130865), (535, 52346), (749, 37390), (1070, 26173), (1498, 18695), (3739, 7490), (3745, 7478)]