2020201400

素因数分解:

$2^3\times 5^2\times 7^5\times {\mathrm{601}}^1$

素因数の和:652

約数の個数: 144

約数和(自身を含む): 5488867440

約数和(自身を除く): 3468666040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 343, 350, 392, 490, 601, 686, 700, 980, 1202, 1225, 1372, 1400, 1715, 1960, 2401, 2404, 2450, 2744, 3005, 3430, 4207, 4802, 4808, 4900, 6010, 6860, 8414, 8575, 9604, 9800, 12005, 12020, 13720, 15025, 16807, 16828, 17150, 19208, 21035, 24010, 24040, 29449, 30050, 33614, 33656, 34300, 42070, 48020, 58898, 60025, 60100, 67228, 68600, 84035, 84140, 96040, 105175, 117796, 120050, 120200, 134456, 147245, 168070, 168280, 206143, 210350, 235592, 240100, 294490, 336140, 412286, 420175, 420700, 480200, 588980, 672280, 736225, 824572, 840350, 841400, 1030715, 1177960, 1443001, 1472450, 1649144, 1680700, 2061430, 2886002, 2944900, 3361400, 4122860, 5153575, 5772004, 5889800, 7215005, 8245720, 10101007, 10307150, 11544008, 14430010, 20202014, 20614300, 28860020, 36075025, 40404028, 41228600, 50505035, 57720040, 72150050, 80808056, 101010070, 144300100, 202020140, 252525175, 288600200, 404040280, 505050350, 1010100700, 2020201400]

約数ペア:

[(1, 2020201400), (2, 1010100700), (4, 505050350), (5, 404040280), (7, 288600200), (8, 252525175), (10, 202020140), (14, 144300100), (20, 101010070), (25, 80808056), (28, 72150050), (35, 57720040), (40, 50505035), (49, 41228600), (50, 40404028), (56, 36075025), (70, 28860020), (98, 20614300), (100, 20202014), (140, 14430010), (175, 11544008), (196, 10307150), (200, 10101007), (245, 8245720), (280, 7215005), (343, 5889800), (350, 5772004), (392, 5153575), (490, 4122860), (601, 3361400), (686, 2944900), (700, 2886002), (980, 2061430), (1202, 1680700), (1225, 1649144), (1372, 1472450), (1400, 1443001), (1715, 1177960), (1960, 1030715), (2401, 841400), (2404, 840350), (2450, 824572), (2744, 736225), (3005, 672280), (3430, 588980), (4207, 480200), (4802, 420700), (4808, 420175), (4900, 412286), (6010, 336140), (6860, 294490), (8414, 240100), (8575, 235592), (9604, 210350), (9800, 206143), (12005, 168280), (12020, 168070), (13720, 147245), (15025, 134456), (16807, 120200), (16828, 120050), (17150, 117796), (19208, 105175), (21035, 96040), (24010, 84140), (24040, 84035), (29449, 68600), (30050, 67228), (33614, 60100), (33656, 60025), (34300, 58898), (42070, 48020)]