79821940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2311}}^1$

素因数の和:2488

約数の個数: 48

約数和(自身を含む): 184109184

約数和(自身を除く): 104287244

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 2311, 3140, 3454, 4622, 6908, 8635, 9244, 11555, 17270, 23110, 25421, 34540, 46220, 50842, 101684, 127105, 254210, 362827, 508420, 725654, 1451308, 1814135, 3628270, 3991097, 7256540, 7982194, 15964388, 19955485, 39910970, 79821940]

約数ペア:

[(1, 79821940), (2, 39910970), (4, 19955485), (5, 15964388), (10, 7982194), (11, 7256540), (20, 3991097), (22, 3628270), (44, 1814135), (55, 1451308), (110, 725654), (157, 508420), (220, 362827), (314, 254210), (628, 127105), (785, 101684), (1570, 50842), (1727, 46220), (2311, 34540), (3140, 25421), (3454, 23110), (4622, 17270), (6908, 11555), (8635, 9244)]