2500156668680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{881}}^1\times {\mathrm{222403}}^1$

素因数の和:223335

約数の個数: 128

約数和(自身を含む): 6355594627200

約数和(自身を除く): 3855437958520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 881, 1160, 1276, 1595, 1762, 2552, 3190, 3524, 4405, 6380, 7048, 8810, 9691, 12760, 17620, 19382, 25549, 35240, 38764, 48455, 51098, 77528, 96910, 102196, 127745, 193820, 204392, 222403, 255490, 281039, 387640, 444806, 510980, 562078, 889612, 1021960, 1112015, 1124156, 1405195, 1779224, 2224030, 2248312, 2446433, 2810390, 4448060, 4892866, 5620780, 6449687, 8896120, 9785732, 11241560, 12232165, 12899374, 19571464, 24464330, 25798748, 32248435, 48928660, 51597496, 64496870, 70946557, 97857320, 128993740, 141893114, 195937043, 257987480, 283786228, 354732785, 391874086, 567572456, 709465570, 783748172, 979685215, 1418931140, 1567496344, 1959370430, 2155307473, 2837862280, 3918740860, 4310614946, 5682174247, 7837481720, 8621229892, 10776537365, 11364348494, 17242459784, 21553074730, 22728696988, 28410871235, 43106149460, 45457393976, 56821742470, 62503916717, 86212298920, 113643484940, 125007833434, 227286969880, 250015666868, 312519583585, 500031333736, 625039167170, 1250078334340, 2500156668680]

約数ペア:

[(1, 2500156668680), (2, 1250078334340), (4, 625039167170), (5, 500031333736), (8, 312519583585), (10, 250015666868), (11, 227286969880), (20, 125007833434), (22, 113643484940), (29, 86212298920), (40, 62503916717), (44, 56821742470), (55, 45457393976), (58, 43106149460), (88, 28410871235), (110, 22728696988), (116, 21553074730), (145, 17242459784), (220, 11364348494), (232, 10776537365), (290, 8621229892), (319, 7837481720), (440, 5682174247), (580, 4310614946), (638, 3918740860), (881, 2837862280), (1160, 2155307473), (1276, 1959370430), (1595, 1567496344), (1762, 1418931140), (2552, 979685215), (3190, 783748172), (3524, 709465570), (4405, 567572456), (6380, 391874086), (7048, 354732785), (8810, 283786228), (9691, 257987480), (12760, 195937043), (17620, 141893114), (19382, 128993740), (25549, 97857320), (35240, 70946557), (38764, 64496870), (48455, 51597496), (51098, 48928660), (77528, 32248435), (96910, 25798748), (102196, 24464330), (127745, 19571464), (193820, 12899374), (204392, 12232165), (222403, 11241560), (255490, 9785732), (281039, 8896120), (387640, 6449687), (444806, 5620780), (510980, 4892866), (562078, 4448060), (889612, 2810390), (1021960, 2446433), (1112015, 2248312), (1124156, 2224030), (1405195, 1779224)]