143758840

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{9239}}^1$

素因数の和:9639

約数の個数: 32

約数和(自身を含む): 324324000

約数和(自身を除く): 180565160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 9239, 15560, 18478, 36956, 46195, 73912, 92390, 184780, 369560, 3593971, 7187942, 14375884, 17969855, 28751768, 35939710, 71879420, 143758840]

約数ペア:

[(1, 143758840), (2, 71879420), (4, 35939710), (5, 28751768), (8, 17969855), (10, 14375884), (20, 7187942), (40, 3593971), (389, 369560), (778, 184780), (1556, 92390), (1945, 73912), (3112, 46195), (3890, 36956), (7780, 18478), (9239, 15560)]