208225490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{3499}}^1$

素因数の和:4058

約数の個数: 32

約数和(自身を含む): 409752000

約数和(自身を除く): 201526510

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 541, 1082, 2705, 3499, 5410, 5951, 6998, 11902, 17495, 29755, 34990, 38489, 59510, 76978, 192445, 384890, 1892959, 3785918, 9464795, 18929590, 20822549, 41645098, 104112745, 208225490]

約数ペア:

[(1, 208225490), (2, 104112745), (5, 41645098), (10, 20822549), (11, 18929590), (22, 9464795), (55, 3785918), (110, 1892959), (541, 384890), (1082, 192445), (2705, 76978), (3499, 59510), (5410, 38489), (5951, 34990), (6998, 29755), (11902, 17495)]