123014020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{69109}}^1$

素因数の和:69207

約数の個数: 24

約数和(自身を含む): 261235800

約数和(自身を除く): 138221780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 69109, 138218, 276436, 345545, 691090, 1382180, 6150701, 12301402, 24602804, 30753505, 61507010, 123014020]

約数ペア:

[(1, 123014020), (2, 61507010), (4, 30753505), (5, 24602804), (10, 12301402), (20, 6150701), (89, 1382180), (178, 691090), (356, 345545), (445, 276436), (890, 138218), (1780, 69109)]