290460184

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{120623}}^1$

素因数の和:120679

約数の個数: 32

約数和(自身を含む): 636894720

約数和(自身を除く): 346434536

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 120623, 241246, 482492, 844361, 964984, 1688722, 3377444, 5186789, 6754888, 10373578, 20747156, 36307523, 41494312, 72615046, 145230092, 290460184]

約数ペア:

[(1, 290460184), (2, 145230092), (4, 72615046), (7, 41494312), (8, 36307523), (14, 20747156), (28, 10373578), (43, 6754888), (56, 5186789), (86, 3377444), (172, 1688722), (301, 964984), (344, 844361), (602, 482492), (1204, 241246), (2408, 120623)]