155514140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109517}}^1$

素因数の和:109597

約数の個数: 24

約数和(自身を含む): 331182432

約数和(自身を除く): 175668292

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 109517, 219034, 438068, 547585, 1095170, 2190340, 7775707, 15551414, 31102828, 38878535, 77757070, 155514140]

約数ペア:

[(1, 155514140), (2, 77757070), (4, 38878535), (5, 31102828), (10, 15551414), (20, 7775707), (71, 2190340), (142, 1095170), (284, 547585), (355, 438068), (710, 219034), (1420, 109517)]