138390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{659}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 380160

約数和(自身を除く): 241770

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 659, 1318, 1977, 3295, 3954, 4613, 6590, 9226, 9885, 13839, 19770, 23065, 27678, 46130, 69195, 138390]

約数ペア:

[(1, 138390), (2, 69195), (3, 46130), (5, 27678), (6, 23065), (7, 19770), (10, 13839), (14, 9885), (15, 9226), (21, 6590), (30, 4613), (35, 3954), (42, 3295), (70, 1977), (105, 1318), (210, 659)]