2931280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3331}}^1$

素因数の和:3355

約数の個数: 40

約数和(自身を含む): 7437024

約数和(自身を除く): 4505744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 3331, 6662, 13324, 16655, 26648, 33310, 36641, 53296, 66620, 73282, 133240, 146564, 183205, 266480, 293128, 366410, 586256, 732820, 1465640, 2931280]

約数ペア:

[(1, 2931280), (2, 1465640), (4, 732820), (5, 586256), (8, 366410), (10, 293128), (11, 266480), (16, 183205), (20, 146564), (22, 133240), (40, 73282), (44, 66620), (55, 53296), (80, 36641), (88, 33310), (110, 26648), (176, 16655), (220, 13324), (440, 6662), (880, 3331)]