85280498780

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1\times {\mathrm{587}}^1$

素因数の和:1179

約数の個数: 96

約数和(自身を含む): 182197209600

約数和(自身を除く): 96916710820

約数列:

[1, 2, 4, 5, 10, 20, 173, 199, 211, 346, 398, 422, 587, 692, 796, 844, 865, 995, 1055, 1174, 1730, 1990, 2110, 2348, 2935, 3460, 3980, 4220, 5870, 11740, 34427, 36503, 41989, 68854, 73006, 83978, 101551, 116813, 123857, 137708, 146012, 167956, 172135, 182515, 203102, 209945, 233626, 247714, 344270, 365030, 406204, 419890, 467252, 495428, 507755, 584065, 619285, 688540, 730060, 839780, 1015510, 1168130, 1238570, 2031020, 2336260, 2477140, 7264097, 14528194, 20208649, 21427261, 24647543, 29056388, 36320485, 40417298, 42854522, 49295086, 72640970, 80834596, 85709044, 98590172, 101043245, 107136305, 123237715, 145281940, 202086490, 214272610, 246475430, 404172980, 428545220, 492950860, 4264024939, 8528049878, 17056099756, 21320124695, 42640249390, 85280498780]

約数ペア:

[(1, 85280498780), (2, 42640249390), (4, 21320124695), (5, 17056099756), (10, 8528049878), (20, 4264024939), (173, 492950860), (199, 428545220), (211, 404172980), (346, 246475430), (398, 214272610), (422, 202086490), (587, 145281940), (692, 123237715), (796, 107136305), (844, 101043245), (865, 98590172), (995, 85709044), (1055, 80834596), (1174, 72640970), (1730, 49295086), (1990, 42854522), (2110, 40417298), (2348, 36320485), (2935, 29056388), (3460, 24647543), (3980, 21427261), (4220, 20208649), (5870, 14528194), (11740, 7264097), (34427, 2477140), (36503, 2336260), (41989, 2031020), (68854, 1238570), (73006, 1168130), (83978, 1015510), (101551, 839780), (116813, 730060), (123857, 688540), (137708, 619285), (146012, 584065), (167956, 507755), (172135, 495428), (182515, 467252), (203102, 419890), (209945, 406204), (233626, 365030), (247714, 344270)]