78478180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{32429}}^1$

素因数の和:32460

約数の個数: 36

約数和(自身を含む): 181153980

約数和(自身を除く): 102675800

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 32429, 64858, 129716, 162145, 324290, 356719, 648580, 713438, 1426876, 1783595, 3567190, 3923909, 7134380, 7847818, 15695636, 19619545, 39239090, 78478180]

約数ペア:

[(1, 78478180), (2, 39239090), (4, 19619545), (5, 15695636), (10, 7847818), (11, 7134380), (20, 3923909), (22, 3567190), (44, 1783595), (55, 1426876), (110, 713438), (121, 648580), (220, 356719), (242, 324290), (484, 162145), (605, 129716), (1210, 64858), (2420, 32429)]