123740860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{78317}}^1$

素因数の和:78405

約数の個数: 24

約数和(自身を含む): 263148480

約数和(自身を除く): 139407620

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 78317, 156634, 313268, 391585, 783170, 1566340, 6187043, 12374086, 24748172, 30935215, 61870430, 123740860]

約数ペア:

[(1, 123740860), (2, 61870430), (4, 30935215), (5, 24748172), (10, 12374086), (20, 6187043), (79, 1566340), (158, 783170), (316, 391585), (395, 313268), (790, 156634), (1580, 78317)]