489202280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{249593}}^1$

素因数の和:249618

約数の個数: 48

約数和(自身を含む): 1280417220

約数和(自身を除く): 791214940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 249593, 499186, 998372, 1247965, 1747151, 1996744, 2495930, 3494302, 4991860, 6988604, 8735755, 9983720, 12230057, 13977208, 17471510, 24460114, 34943020, 48920228, 61150285, 69886040, 97840456, 122300570, 244601140, 489202280]

約数ペア:

[(1, 489202280), (2, 244601140), (4, 122300570), (5, 97840456), (7, 69886040), (8, 61150285), (10, 48920228), (14, 34943020), (20, 24460114), (28, 17471510), (35, 13977208), (40, 12230057), (49, 9983720), (56, 8735755), (70, 6988604), (98, 4991860), (140, 3494302), (196, 2495930), (245, 1996744), (280, 1747151), (392, 1247965), (490, 998372), (980, 499186), (1960, 249593)]