18977000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{2711}}^1$

素因数の和:2739

約数の個数: 64

約数和(自身を含む): 50768640

約数和(自身を除く): 31791640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 2711, 3500, 5422, 7000, 10844, 13555, 18977, 21688, 27110, 37954, 54220, 67775, 75908, 94885, 108440, 135550, 151816, 189770, 271100, 338875, 379540, 474425, 542200, 677750, 759080, 948850, 1355500, 1897700, 2372125, 2711000, 3795400, 4744250, 9488500, 18977000]

約数ペア:

[(1, 18977000), (2, 9488500), (4, 4744250), (5, 3795400), (7, 2711000), (8, 2372125), (10, 1897700), (14, 1355500), (20, 948850), (25, 759080), (28, 677750), (35, 542200), (40, 474425), (50, 379540), (56, 338875), (70, 271100), (100, 189770), (125, 151816), (140, 135550), (175, 108440), (200, 94885), (250, 75908), (280, 67775), (350, 54220), (500, 37954), (700, 27110), (875, 21688), (1000, 18977), (1400, 13555), (1750, 10844), (2711, 7000), (3500, 5422)]