28993000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 68889600

約数和(自身を除く): 39896600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 316, 367, 395, 500, 632, 734, 790, 1000, 1468, 1580, 1835, 1975, 2936, 3160, 3670, 3950, 7340, 7900, 9175, 9875, 14680, 15800, 18350, 19750, 28993, 36700, 39500, 45875, 57986, 73400, 79000, 91750, 115972, 144965, 183500, 231944, 289930, 367000, 579860, 724825, 1159720, 1449650, 2899300, 3624125, 5798600, 7248250, 14496500, 28993000]

約数ペア:

[(1, 28993000), (2, 14496500), (4, 7248250), (5, 5798600), (8, 3624125), (10, 2899300), (20, 1449650), (25, 1159720), (40, 724825), (50, 579860), (79, 367000), (100, 289930), (125, 231944), (158, 183500), (200, 144965), (250, 115972), (316, 91750), (367, 79000), (395, 73400), (500, 57986), (632, 45875), (734, 39500), (790, 36700), (1000, 28993), (1468, 19750), (1580, 18350), (1835, 15800), (1975, 14680), (2936, 9875), (3160, 9175), (3670, 7900), (3950, 7340)]