168870290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{3541}}^1$

素因数の和:3818

約数の個数: 32

約数和(自身を含む): 321330240

約数和(自身を除く): 152459950

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 251, 502, 1255, 2510, 3541, 4769, 7082, 9538, 17705, 23845, 35410, 47690, 67279, 134558, 336395, 672790, 888791, 1777582, 4443955, 8887910, 16887029, 33774058, 84435145, 168870290]

約数ペア:

[(1, 168870290), (2, 84435145), (5, 33774058), (10, 16887029), (19, 8887910), (38, 4443955), (95, 1777582), (190, 888791), (251, 672790), (502, 336395), (1255, 134558), (2510, 67279), (3541, 47690), (4769, 35410), (7082, 23845), (9538, 17705)]