249917990420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1\times {\mathrm{2897}}^1$

素因数の和:3538

約数の個数: 192

約数和(自身を含む): 645978945024

約数和(自身を除く): 396060954604

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 67, 68, 70, 85, 119, 134, 140, 170, 238, 268, 335, 340, 469, 476, 541, 595, 670, 938, 1082, 1139, 1190, 1340, 1876, 2164, 2278, 2345, 2380, 2705, 2897, 3787, 4556, 4690, 5410, 5695, 5794, 7574, 7973, 9197, 9380, 10820, 11390, 11588, 14485, 15148, 15946, 18394, 18935, 20279, 22780, 28970, 31892, 36247, 36788, 37870, 39865, 40558, 45985, 49249, 57940, 64379, 72494, 75740, 79730, 81116, 91970, 98498, 101395, 128758, 144988, 159460, 181235, 183940, 194099, 196996, 202790, 246245, 253729, 257516, 321895, 344743, 362470, 388198, 405580, 492490, 507458, 616199, 643790, 689486, 724940, 776396, 970495, 984980, 1014916, 1232398, 1268645, 1287580, 1358693, 1378972, 1567277, 1723715, 1940990, 2464796, 2537290, 2717386, 3080995, 3134554, 3299683, 3447430, 3881980, 4313393, 5074580, 5434772, 6161990, 6269108, 6599366, 6793465, 6894860, 7836385, 8626786, 10970939, 12323980, 13198732, 13586930, 15672770, 16498415, 17253572, 21566965, 21941878, 23097781, 26643709, 27173860, 31345540, 32996830, 43133930, 43883756, 46195562, 53287418, 54854695, 65993660, 86267860, 92391124, 105007559, 106574836, 109709390, 115488905, 133218545, 186505963, 210015118, 219418780, 230977810, 266437090, 373011926, 420030236, 461955620, 525037795, 532874180, 735052913, 746023852, 932529815, 1050075590, 1470105826, 1785128503, 1865059630, 2100151180, 2940211652, 3570257006, 3675264565, 3730119260, 7140514012, 7350529130, 8925642515, 12495899521, 14701058260, 17851285030, 24991799042, 35702570060, 49983598084, 62479497605, 124958995210, 249917990420]

約数ペア:

[(1, 249917990420), (2, 124958995210), (4, 62479497605), (5, 49983598084), (7, 35702570060), (10, 24991799042), (14, 17851285030), (17, 14701058260), (20, 12495899521), (28, 8925642515), (34, 7350529130), (35, 7140514012), (67, 3730119260), (68, 3675264565), (70, 3570257006), (85, 2940211652), (119, 2100151180), (134, 1865059630), (140, 1785128503), (170, 1470105826), (238, 1050075590), (268, 932529815), (335, 746023852), (340, 735052913), (469, 532874180), (476, 525037795), (541, 461955620), (595, 420030236), (670, 373011926), (938, 266437090), (1082, 230977810), (1139, 219418780), (1190, 210015118), (1340, 186505963), (1876, 133218545), (2164, 115488905), (2278, 109709390), (2345, 106574836), (2380, 105007559), (2705, 92391124), (2897, 86267860), (3787, 65993660), (4556, 54854695), (4690, 53287418), (5410, 46195562), (5695, 43883756), (5794, 43133930), (7574, 32996830), (7973, 31345540), (9197, 27173860), (9380, 26643709), (10820, 23097781), (11390, 21941878), (11588, 21566965), (14485, 17253572), (15148, 16498415), (15946, 15672770), (18394, 13586930), (18935, 13198732), (20279, 12323980), (22780, 10970939), (28970, 8626786), (31892, 7836385), (36247, 6894860), (36788, 6793465), (37870, 6599366), (39865, 6269108), (40558, 6161990), (45985, 5434772), (49249, 5074580), (57940, 4313393), (64379, 3881980), (72494, 3447430), (75740, 3299683), (79730, 3134554), (81116, 3080995), (91970, 2717386), (98498, 2537290), (101395, 2464796), (128758, 1940990), (144988, 1723715), (159460, 1567277), (181235, 1378972), (183940, 1358693), (194099, 1287580), (196996, 1268645), (202790, 1232398), (246245, 1014916), (253729, 984980), (257516, 970495), (321895, 776396), (344743, 724940), (362470, 689486), (388198, 643790), (405580, 616199), (492490, 507458)]