138802160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3491}}^1$

素因数の和:3582

約数の個数: 80

約数和(自身を含む): 374118912

約数和(自身を除く): 235316752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3491, 3976, 4970, 5680, 6982, 7952, 9940, 13964, 17455, 19880, 24437, 27928, 34910, 39760, 48874, 55856, 69820, 97748, 122185, 139640, 195496, 244370, 247861, 279280, 390992, 488740, 495722, 977480, 991444, 1239305, 1735027, 1954960, 1982888, 2478610, 3470054, 3965776, 4957220, 6940108, 8675135, 9914440, 13880216, 17350270, 19828880, 27760432, 34700540, 69401080, 138802160]

約数ペア:

[(1, 138802160), (2, 69401080), (4, 34700540), (5, 27760432), (7, 19828880), (8, 17350270), (10, 13880216), (14, 9914440), (16, 8675135), (20, 6940108), (28, 4957220), (35, 3965776), (40, 3470054), (56, 2478610), (70, 1982888), (71, 1954960), (80, 1735027), (112, 1239305), (140, 991444), (142, 977480), (280, 495722), (284, 488740), (355, 390992), (497, 279280), (560, 247861), (568, 244370), (710, 195496), (994, 139640), (1136, 122185), (1420, 97748), (1988, 69820), (2485, 55856), (2840, 48874), (3491, 39760), (3976, 34910), (4970, 27928), (5680, 24437), (6982, 19880), (7952, 17455), (9940, 13964)]