66958750

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 80

約数和(自身を含む): 139680288

約数和(自身を除く): 72721538

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 125, 137, 170, 230, 250, 274, 391, 425, 575, 625, 685, 782, 850, 1150, 1250, 1370, 1955, 2125, 2329, 2875, 3151, 3425, 3910, 4250, 4658, 5750, 6302, 6850, 9775, 10625, 11645, 14375, 15755, 17125, 19550, 21250, 23290, 28750, 31510, 34250, 48875, 53567, 58225, 78775, 85625, 97750, 107134, 116450, 157550, 171250, 244375, 267835, 291125, 393875, 488750, 535670, 582250, 787750, 1339175, 1455625, 1969375, 2678350, 2911250, 3938750, 6695875, 13391750, 33479375, 66958750]

約数ペア:

[(1, 66958750), (2, 33479375), (5, 13391750), (10, 6695875), (17, 3938750), (23, 2911250), (25, 2678350), (34, 1969375), (46, 1455625), (50, 1339175), (85, 787750), (115, 582250), (125, 535670), (137, 488750), (170, 393875), (230, 291125), (250, 267835), (274, 244375), (391, 171250), (425, 157550), (575, 116450), (625, 107134), (685, 97750), (782, 85625), (850, 78775), (1150, 58225), (1250, 53567), (1370, 48875), (1955, 34250), (2125, 31510), (2329, 28750), (2875, 23290), (3151, 21250), (3425, 19550), (3910, 17125), (4250, 15755), (4658, 14375), (5750, 11645), (6302, 10625), (6850, 9775)]