1799681560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{412771}}^1$

素因数の和:412891

約数の個数: 32

約数和(自身を含む): 4086442800

約数和(自身を除く): 2286761240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 412771, 825542, 1651084, 2063855, 3302168, 4127710, 8255420, 16510840, 44992039, 89984078, 179968156, 224960195, 359936312, 449920390, 899840780, 1799681560]

約数ペア:

[(1, 1799681560), (2, 899840780), (4, 449920390), (5, 359936312), (8, 224960195), (10, 179968156), (20, 89984078), (40, 44992039), (109, 16510840), (218, 8255420), (436, 4127710), (545, 3302168), (872, 2063855), (1090, 1651084), (2180, 825542), (4360, 412771)]