984578980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{639337}}^1$

素因数の和:639364

約数の個数: 48

約数和(自身を含む): 2577810816

約数和(自身を除く): 1593231836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 639337, 1278674, 2557348, 3196685, 4475359, 6393370, 7032707, 8950718, 12786740, 14065414, 17901436, 22376795, 28130828, 35163535, 44753590, 49228949, 70327070, 89507180, 98457898, 140654140, 196915796, 246144745, 492289490, 984578980]

約数ペア:

[(1, 984578980), (2, 492289490), (4, 246144745), (5, 196915796), (7, 140654140), (10, 98457898), (11, 89507180), (14, 70327070), (20, 49228949), (22, 44753590), (28, 35163535), (35, 28130828), (44, 22376795), (55, 17901436), (70, 14065414), (77, 12786740), (110, 8950718), (140, 7032707), (154, 6393370), (220, 4475359), (308, 3196685), (385, 2557348), (770, 1278674), (1540, 639337)]