220053904

素因数分解:

$2^4\times 7^2\times {\mathrm{280681}}^1$

素因数の和:280703

約数の個数: 30

約数和(自身を含む): 495965094

約数和(自身を除く): 275911190

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 280681, 561362, 1122724, 1964767, 2245448, 3929534, 4490896, 7859068, 13753369, 15718136, 27506738, 31436272, 55013476, 110026952, 220053904]

約数ペア:

[(1, 220053904), (2, 110026952), (4, 55013476), (7, 31436272), (8, 27506738), (14, 15718136), (16, 13753369), (28, 7859068), (49, 4490896), (56, 3929534), (98, 2245448), (112, 1964767), (196, 1122724), (392, 561362), (784, 280681)]