394274480

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{10289}}^1$

素因数の和:10781

約数の個数: 40

約数和(自身を含む): 918691200

約数和(自身を除く): 524416720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1916, 2395, 3832, 4790, 7664, 9580, 10289, 19160, 20578, 38320, 41156, 51445, 82312, 102890, 164624, 205780, 411560, 823120, 4928431, 9856862, 19713724, 24642155, 39427448, 49284310, 78854896, 98568620, 197137240, 394274480]

約数ペア:

[(1, 394274480), (2, 197137240), (4, 98568620), (5, 78854896), (8, 49284310), (10, 39427448), (16, 24642155), (20, 19713724), (40, 9856862), (80, 4928431), (479, 823120), (958, 411560), (1916, 205780), (2395, 164624), (3832, 102890), (4790, 82312), (7664, 51445), (9580, 41156), (10289, 38320), (19160, 20578)]