68997980

素因数分解:

$2^2\times 5^1\times {\mathrm{773}}^1\times {\mathrm{4463}}^1$

素因数の和:5245

約数の個数: 24

約数和(自身を含む): 145115712

約数和(自身を除く): 76117732

約数列:

[1, 2, 4, 5, 10, 20, 773, 1546, 3092, 3865, 4463, 7730, 8926, 15460, 17852, 22315, 44630, 89260, 3449899, 6899798, 13799596, 17249495, 34498990, 68997980]

約数ペア:

[(1, 68997980), (2, 34498990), (4, 17249495), (5, 13799596), (10, 6899798), (20, 3449899), (773, 89260), (1546, 44630), (3092, 22315), (3865, 17852), (4463, 15460), (7730, 8926)]