201841840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 481219200

約数和(自身を除く): 279377360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 109, 158, 218, 293, 316, 395, 436, 545, 586, 632, 790, 872, 1090, 1172, 1264, 1465, 1580, 1744, 2180, 2344, 2930, 3160, 4360, 4688, 5860, 6320, 8611, 8720, 11720, 17222, 23147, 23440, 31937, 34444, 43055, 46294, 63874, 68888, 86110, 92588, 115735, 127748, 137776, 159685, 172220, 185176, 231470, 255496, 319370, 344440, 370352, 462940, 510992, 638740, 688880, 925880, 1277480, 1851760, 2523023, 2554960, 5046046, 10092092, 12615115, 20184184, 25230230, 40368368, 50460460, 100920920, 201841840]

約数ペア:

[(1, 201841840), (2, 100920920), (4, 50460460), (5, 40368368), (8, 25230230), (10, 20184184), (16, 12615115), (20, 10092092), (40, 5046046), (79, 2554960), (80, 2523023), (109, 1851760), (158, 1277480), (218, 925880), (293, 688880), (316, 638740), (395, 510992), (436, 462940), (545, 370352), (586, 344440), (632, 319370), (790, 255496), (872, 231470), (1090, 185176), (1172, 172220), (1264, 159685), (1465, 137776), (1580, 127748), (1744, 115735), (2180, 92588), (2344, 86110), (2930, 68888), (3160, 63874), (4360, 46294), (4688, 43055), (5860, 34444), (6320, 31937), (8611, 23440), (8720, 23147), (11720, 17222)]