78486580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1759}}^1$

素因数の和:1888

約数の個数: 48

約数和(自身を含む): 173859840

約数和(自身を除く): 95373260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 970, 1759, 1940, 2231, 3518, 4462, 7036, 8795, 8924, 11155, 17590, 22310, 35180, 40457, 44620, 80914, 161828, 170623, 202285, 341246, 404570, 682492, 809140, 853115, 1706230, 3412460, 3924329, 7848658, 15697316, 19621645, 39243290, 78486580]

約数ペア:

[(1, 78486580), (2, 39243290), (4, 19621645), (5, 15697316), (10, 7848658), (20, 3924329), (23, 3412460), (46, 1706230), (92, 853115), (97, 809140), (115, 682492), (194, 404570), (230, 341246), (388, 202285), (460, 170623), (485, 161828), (970, 80914), (1759, 44620), (1940, 40457), (2231, 35180), (3518, 22310), (4462, 17590), (7036, 11155), (8795, 8924)]