870438910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31277}}^1$

素因数の和:31329

約数の個数: 48

約数和(自身を含む): 1797108768

約数和(自身を除く): 926669858

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 121, 230, 242, 253, 506, 605, 1210, 1265, 2530, 2783, 5566, 13915, 27830, 31277, 62554, 156385, 312770, 344047, 688094, 719371, 1438742, 1720235, 3440470, 3596855, 3784517, 7193710, 7569034, 7913081, 15826162, 18922585, 37845170, 39565405, 79130810, 87043891, 174087782, 435219455, 870438910]

約数ペア:

[(1, 870438910), (2, 435219455), (5, 174087782), (10, 87043891), (11, 79130810), (22, 39565405), (23, 37845170), (46, 18922585), (55, 15826162), (110, 7913081), (115, 7569034), (121, 7193710), (230, 3784517), (242, 3596855), (253, 3440470), (506, 1720235), (605, 1438742), (1210, 719371), (1265, 688094), (2530, 344047), (2783, 312770), (5566, 156385), (13915, 62554), (27830, 31277)]