240122

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 16

約数和(自身を含む): 388800

約数和(自身を除く): 148678

約数列:

[1, 2, 19, 38, 71, 89, 142, 178, 1349, 1691, 2698, 3382, 6319, 12638, 120061, 240122]

約数ペア:

[(1, 240122), (2, 120061), (19, 12638), (38, 6319), (71, 3382), (89, 2698), (142, 1691), (178, 1349)]