28400680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9221}}^1$

素因数の和:9250

約数の個数: 64

約数和(自身を含む): 79678080

約数和(自身を除く): 51277400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9221, 18442, 36884, 46105, 64547, 73768, 92210, 101431, 129094, 184420, 202862, 258188, 322735, 368840, 405724, 507155, 516376, 645470, 710017, 811448, 1014310, 1290940, 1420034, 2028620, 2581880, 2840068, 3550085, 4057240, 5680136, 7100170, 14200340, 28400680]

約数ペア:

[(1, 28400680), (2, 14200340), (4, 7100170), (5, 5680136), (7, 4057240), (8, 3550085), (10, 2840068), (11, 2581880), (14, 2028620), (20, 1420034), (22, 1290940), (28, 1014310), (35, 811448), (40, 710017), (44, 645470), (55, 516376), (56, 507155), (70, 405724), (77, 368840), (88, 322735), (110, 258188), (140, 202862), (154, 184420), (220, 129094), (280, 101431), (308, 92210), (385, 73768), (440, 64547), (616, 46105), (770, 36884), (1540, 18442), (3080, 9221)]