67870375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 96763680

約数和(自身を除く): 28893305

約数列:

[1, 5, 17, 19, 25, 41, 85, 95, 125, 205, 323, 425, 475, 697, 779, 1025, 1615, 1681, 2125, 2375, 3485, 3895, 5125, 8075, 8405, 13243, 17425, 19475, 28577, 31939, 40375, 42025, 66215, 87125, 97375, 142885, 159695, 210125, 331075, 542963, 714425, 798475, 1655375, 2714815, 3572125, 3992375, 13574075, 67870375]

約数ペア:

[(1, 67870375), (5, 13574075), (17, 3992375), (19, 3572125), (25, 2714815), (41, 1655375), (85, 798475), (95, 714425), (125, 542963), (205, 331075), (323, 210125), (425, 159695), (475, 142885), (697, 97375), (779, 87125), (1025, 66215), (1615, 42025), (1681, 40375), (2125, 31939), (2375, 28577), (3485, 19475), (3895, 17425), (5125, 13243), (8075, 8405)]