84876580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1307}}^1$

素因数の和:1524

約数の個数: 48

約数和(自身を含む): 189858816

約数和(自身を除く): 104982236

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 340, 382, 764, 955, 1307, 1910, 2614, 3247, 3820, 5228, 6494, 6535, 12988, 13070, 16235, 22219, 26140, 32470, 44438, 64940, 88876, 111095, 222190, 249637, 444380, 499274, 998548, 1248185, 2496370, 4243829, 4992740, 8487658, 16975316, 21219145, 42438290, 84876580]

約数ペア:

[(1, 84876580), (2, 42438290), (4, 21219145), (5, 16975316), (10, 8487658), (17, 4992740), (20, 4243829), (34, 2496370), (68, 1248185), (85, 998548), (170, 499274), (191, 444380), (340, 249637), (382, 222190), (764, 111095), (955, 88876), (1307, 64940), (1910, 44438), (2614, 32470), (3247, 26140), (3820, 22219), (5228, 16235), (6494, 13070), (6535, 12988)]