279785000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{5087}}^1$

素因数の和:5124

約数の個数: 80

約数和(自身を含む): 715271040

約数和(自身を除く): 435486040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 625, 1000, 1100, 1250, 1375, 2200, 2500, 2750, 5000, 5087, 5500, 6875, 10174, 11000, 13750, 20348, 25435, 27500, 40696, 50870, 55000, 55957, 101740, 111914, 127175, 203480, 223828, 254350, 279785, 447656, 508700, 559570, 635875, 1017400, 1119140, 1271750, 1398925, 2238280, 2543500, 2797850, 3179375, 5087000, 5595700, 6358750, 6994625, 11191400, 12717500, 13989250, 25435000, 27978500, 34973125, 55957000, 69946250, 139892500, 279785000]

約数ペア:

[(1, 279785000), (2, 139892500), (4, 69946250), (5, 55957000), (8, 34973125), (10, 27978500), (11, 25435000), (20, 13989250), (22, 12717500), (25, 11191400), (40, 6994625), (44, 6358750), (50, 5595700), (55, 5087000), (88, 3179375), (100, 2797850), (110, 2543500), (125, 2238280), (200, 1398925), (220, 1271750), (250, 1119140), (275, 1017400), (440, 635875), (500, 559570), (550, 508700), (625, 447656), (1000, 279785), (1100, 254350), (1250, 223828), (1375, 203480), (2200, 127175), (2500, 111914), (2750, 101740), (5000, 55957), (5087, 55000), (5500, 50870), (6875, 40696), (10174, 27500), (11000, 25435), (13750, 20348)]