179489702920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{857}}^1\times {\mathrm{1297}}^1$

素因数の和:2543

約数の個数: 128

約数和(自身を含む): 442622568960

約数和(自身を除く): 263132866040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 367, 440, 734, 857, 1297, 1468, 1714, 1835, 2594, 2936, 3428, 3670, 4037, 4285, 5188, 6485, 6856, 7340, 8074, 8570, 9427, 10376, 12970, 14267, 14680, 16148, 17140, 18854, 20185, 25940, 28534, 32296, 34280, 37708, 40370, 47135, 51880, 57068, 71335, 75416, 80740, 94270, 114136, 142670, 161480, 188540, 285340, 314519, 377080, 475999, 570680, 629038, 951998, 1111529, 1258076, 1572595, 1903996, 2223058, 2379995, 2516152, 3145190, 3459709, 3807992, 4446116, 4759990, 5235989, 5557645, 6290380, 6919418, 8892232, 9519980, 10471978, 11115290, 12226819, 12580760, 13838836, 17298545, 19039960, 20943956, 22230580, 24453638, 26179945, 27677672, 34597090, 41887912, 44461160, 48907276, 52359890, 61134095, 69194180, 97814552, 104719780, 122268190, 138388360, 209439560, 244536380, 407931143, 489072760, 815862286, 1631724572, 2039655715, 3263449144, 4079311430, 4487242573, 8158622860, 8974485146, 16317245720, 17948970292, 22436212865, 35897940584, 44872425730, 89744851460, 179489702920]

約数ペア:

[(1, 179489702920), (2, 89744851460), (4, 44872425730), (5, 35897940584), (8, 22436212865), (10, 17948970292), (11, 16317245720), (20, 8974485146), (22, 8158622860), (40, 4487242573), (44, 4079311430), (55, 3263449144), (88, 2039655715), (110, 1631724572), (220, 815862286), (367, 489072760), (440, 407931143), (734, 244536380), (857, 209439560), (1297, 138388360), (1468, 122268190), (1714, 104719780), (1835, 97814552), (2594, 69194180), (2936, 61134095), (3428, 52359890), (3670, 48907276), (4037, 44461160), (4285, 41887912), (5188, 34597090), (6485, 27677672), (6856, 26179945), (7340, 24453638), (8074, 22230580), (8570, 20943956), (9427, 19039960), (10376, 17298545), (12970, 13838836), (14267, 12580760), (14680, 12226819), (16148, 11115290), (17140, 10471978), (18854, 9519980), (20185, 8892232), (25940, 6919418), (28534, 6290380), (32296, 5557645), (34280, 5235989), (37708, 4759990), (40370, 4446116), (47135, 3807992), (51880, 3459709), (57068, 3145190), (71335, 2516152), (75416, 2379995), (80740, 2223058), (94270, 1903996), (114136, 1572595), (142670, 1258076), (161480, 1111529), (188540, 951998), (285340, 629038), (314519, 570680), (377080, 475999)]