2780510528875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{3499}}^1$

素因数の和:3854

約数の個数: 128

約数和(自身を含む): 3906040320000

約数和(自身を除く): 1125529791125

約数列:

[1, 5, 17, 23, 25, 71, 85, 115, 125, 229, 355, 391, 425, 575, 1145, 1207, 1633, 1775, 1955, 2125, 2875, 3499, 3893, 5267, 5725, 6035, 8165, 8875, 9775, 16259, 17495, 19465, 26335, 27761, 28625, 30175, 40825, 48875, 59483, 80477, 81295, 87475, 89539, 97325, 131675, 138805, 150875, 204125, 248429, 276403, 297415, 373957, 402385, 406475, 437375, 447695, 486625, 658375, 694025, 801271, 1242145, 1368109, 1382015, 1487075, 1869785, 2011925, 2032375, 2238475, 3470125, 4006355, 4223293, 5713867, 6210725, 6357269, 6840545, 6910075, 7435375, 9348925, 10059625, 11192375, 13621607, 18429233, 20031775, 21116465, 28569335, 31053625, 31786345, 34202725, 34550375, 46744625, 56890241, 68108035, 92146165, 97135739, 100158875, 105582325, 142846675, 158931725, 171013625, 284451205, 313296961, 340540175, 460730825, 485678695, 527911625, 714233375, 794658625, 967134097, 1308475543, 1422256025, 1566484805, 1702700875, 2303654125, 2428393475, 4835670485, 6542377715, 7111280125, 7832424025, 12141967375, 22244084231, 24178352425, 32711888575, 39162120125, 111220421155, 120891762125, 163559442875, 556102105775, 2780510528875]

約数ペア:

[(1, 2780510528875), (5, 556102105775), (17, 163559442875), (23, 120891762125), (25, 111220421155), (71, 39162120125), (85, 32711888575), (115, 24178352425), (125, 22244084231), (229, 12141967375), (355, 7832424025), (391, 7111280125), (425, 6542377715), (575, 4835670485), (1145, 2428393475), (1207, 2303654125), (1633, 1702700875), (1775, 1566484805), (1955, 1422256025), (2125, 1308475543), (2875, 967134097), (3499, 794658625), (3893, 714233375), (5267, 527911625), (5725, 485678695), (6035, 460730825), (8165, 340540175), (8875, 313296961), (9775, 284451205), (16259, 171013625), (17495, 158931725), (19465, 142846675), (26335, 105582325), (27761, 100158875), (28625, 97135739), (30175, 92146165), (40825, 68108035), (48875, 56890241), (59483, 46744625), (80477, 34550375), (81295, 34202725), (87475, 31786345), (89539, 31053625), (97325, 28569335), (131675, 21116465), (138805, 20031775), (150875, 18429233), (204125, 13621607), (248429, 11192375), (276403, 10059625), (297415, 9348925), (373957, 7435375), (402385, 6910075), (406475, 6840545), (437375, 6357269), (447695, 6210725), (486625, 5713867), (658375, 4223293), (694025, 4006355), (801271, 3470125), (1242145, 2238475), (1368109, 2032375), (1382015, 2011925), (1487075, 1869785)]