289049150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:550

約数の個数: 72

約数和(自身を含む): 590899680

約数和(自身を除く): 301850530

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 79, 130, 158, 169, 325, 338, 395, 433, 650, 790, 845, 866, 1027, 1690, 1975, 2054, 2165, 3950, 4225, 4330, 5135, 5629, 8450, 10270, 10825, 11258, 13351, 21650, 25675, 26702, 28145, 34207, 51350, 56290, 66755, 68414, 73177, 133510, 140725, 146354, 171035, 281450, 333775, 342070, 365885, 444691, 667550, 731770, 855175, 889382, 1710350, 1829425, 2223455, 3658850, 4446910, 5780983, 11117275, 11561966, 22234550, 28904915, 57809830, 144524575, 289049150]

約数ペア:

[(1, 289049150), (2, 144524575), (5, 57809830), (10, 28904915), (13, 22234550), (25, 11561966), (26, 11117275), (50, 5780983), (65, 4446910), (79, 3658850), (130, 2223455), (158, 1829425), (169, 1710350), (325, 889382), (338, 855175), (395, 731770), (433, 667550), (650, 444691), (790, 365885), (845, 342070), (866, 333775), (1027, 281450), (1690, 171035), (1975, 146354), (2054, 140725), (2165, 133510), (3950, 73177), (4225, 68414), (4330, 66755), (5135, 56290), (5629, 51350), (8450, 34207), (10270, 28145), (10825, 26702), (11258, 25675), (13351, 21650)]