2017379980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{187141}}^1$

素因数の和:187175

約数の個数: 72

約数和(自身を含む): 5376215376

約数和(自身を除く): 3358835396

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 187141, 374282, 748564, 935705, 1309987, 1871410, 2058551, 2619974, 3742820, 4117102, 5239948, 6549935, 8234204, 9169909, 10292755, 13099870, 14409857, 18339818, 20585510, 26199740, 28819714, 36679636, 41171020, 45849545, 57639428, 72049285, 91699090, 100868999, 144098570, 183398180, 201737998, 288197140, 403475996, 504344995, 1008689990, 2017379980]

約数ペア:

[(1, 2017379980), (2, 1008689990), (4, 504344995), (5, 403475996), (7, 288197140), (10, 201737998), (11, 183398180), (14, 144098570), (20, 100868999), (22, 91699090), (28, 72049285), (35, 57639428), (44, 45849545), (49, 41171020), (55, 36679636), (70, 28819714), (77, 26199740), (98, 20585510), (110, 18339818), (140, 14409857), (154, 13099870), (196, 10292755), (220, 9169909), (245, 8234204), (308, 6549935), (385, 5239948), (490, 4117102), (539, 3742820), (770, 2619974), (980, 2058551), (1078, 1871410), (1540, 1309987), (2156, 935705), (2695, 748564), (5390, 374282), (10780, 187141)]