2996021960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{687161}}^1$

素因数の和:687281

約数の個数: 32

約数和(自身を含む): 6802903800

約数和(自身を除く): 3806881840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 687161, 1374322, 2748644, 3435805, 5497288, 6871610, 13743220, 27486440, 74900549, 149801098, 299602196, 374502745, 599204392, 749005490, 1498010980, 2996021960]

約数ペア:

[(1, 2996021960), (2, 1498010980), (4, 749005490), (5, 599204392), (8, 374502745), (10, 299602196), (20, 149801098), (40, 74900549), (109, 27486440), (218, 13743220), (436, 6871610), (545, 5497288), (872, 3435805), (1090, 2748644), (2180, 1374322), (4360, 687161)]