289535800

素因数分解:

$2^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{10567}}^1$

素因数の和:10720

約数の個数: 48

約数和(自身を含む): 678148560

約数和(自身を除く): 388612760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 137, 200, 274, 548, 685, 1096, 1370, 2740, 3425, 5480, 6850, 10567, 13700, 21134, 27400, 42268, 52835, 84536, 105670, 211340, 264175, 422680, 528350, 1056700, 1447679, 2113400, 2895358, 5790716, 7238395, 11581432, 14476790, 28953580, 36191975, 57907160, 72383950, 144767900, 289535800]

約数ペア:

[(1, 289535800), (2, 144767900), (4, 72383950), (5, 57907160), (8, 36191975), (10, 28953580), (20, 14476790), (25, 11581432), (40, 7238395), (50, 5790716), (100, 2895358), (137, 2113400), (200, 1447679), (274, 1056700), (548, 528350), (685, 422680), (1096, 264175), (1370, 211340), (2740, 105670), (3425, 84536), (5480, 52835), (6850, 42268), (10567, 27400), (13700, 21134)]