18985338625

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1571}}^1$

素因数の和:1672

約数の個数: 96

約数和(自身を含む): 28180099584

約数和(自身を除く): 9194760959

約数列:

[1, 5, 11, 17, 25, 47, 55, 85, 121, 125, 187, 235, 275, 425, 517, 605, 799, 935, 1175, 1375, 1571, 2057, 2125, 2585, 3025, 3995, 4675, 5687, 5875, 7855, 8789, 10285, 12925, 15125, 17281, 19975, 23375, 26707, 28435, 39275, 43945, 51425, 64625, 73837, 86405, 96679, 99875, 133535, 142175, 190091, 196375, 219725, 257125, 293777, 369185, 432025, 483395, 667675, 710875, 812207, 950455, 1098625, 1255229, 1468885, 1845925, 2160125, 2416975, 3231547, 3338375, 4061035, 4752275, 6276145, 7344425, 8934277, 9229625, 12084875, 13807519, 16157735, 20305175, 23761375, 31380725, 36722125, 44671385, 69037595, 80788675, 101525875, 151882709, 156903625, 223356925, 345187975, 403943375, 759413545, 1116784625, 1725939875, 3797067725, 18985338625]

約数ペア:

[(1, 18985338625), (5, 3797067725), (11, 1725939875), (17, 1116784625), (25, 759413545), (47, 403943375), (55, 345187975), (85, 223356925), (121, 156903625), (125, 151882709), (187, 101525875), (235, 80788675), (275, 69037595), (425, 44671385), (517, 36722125), (605, 31380725), (799, 23761375), (935, 20305175), (1175, 16157735), (1375, 13807519), (1571, 12084875), (2057, 9229625), (2125, 8934277), (2585, 7344425), (3025, 6276145), (3995, 4752275), (4675, 4061035), (5687, 3338375), (5875, 3231547), (7855, 2416975), (8789, 2160125), (10285, 1845925), (12925, 1468885), (15125, 1255229), (17281, 1098625), (19975, 950455), (23375, 812207), (26707, 710875), (28435, 667675), (39275, 483395), (43945, 432025), (51425, 369185), (64625, 293777), (73837, 257125), (86405, 219725), (96679, 196375), (99875, 190091), (133535, 142175)]