3091240

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{709}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 7029000

約数和(自身を除く): 3937760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 709, 872, 1090, 1418, 2180, 2836, 3545, 4360, 5672, 7090, 14180, 28360, 77281, 154562, 309124, 386405, 618248, 772810, 1545620, 3091240]

約数ペア:

[(1, 3091240), (2, 1545620), (4, 772810), (5, 618248), (8, 386405), (10, 309124), (20, 154562), (40, 77281), (109, 28360), (218, 14180), (436, 7090), (545, 5672), (709, 4360), (872, 3545), (1090, 2836), (1418, 2180)]