215731370

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{977}}^1$

素因数の和:1366

約数の個数: 32

約数和(自身を含む): 395456256

約数和(自身を除く): 179724886

約数列:

[1, 2, 5, 10, 71, 142, 311, 355, 622, 710, 977, 1555, 1954, 3110, 4885, 9770, 22081, 44162, 69367, 110405, 138734, 220810, 303847, 346835, 607694, 693670, 1519235, 3038470, 21573137, 43146274, 107865685, 215731370]

約数ペア:

[(1, 215731370), (2, 107865685), (5, 43146274), (10, 21573137), (71, 3038470), (142, 1519235), (311, 693670), (355, 607694), (622, 346835), (710, 303847), (977, 220810), (1555, 138734), (1954, 110405), (3110, 69367), (4885, 44162), (9770, 22081)]