68700980

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{3371}}^1$

素因数の和:4399

約数の個数: 24

約数和(自身を含む): 144456480

約数和(自身を除く): 75755500

約数列:

[1, 2, 4, 5, 10, 20, 1019, 2038, 3371, 4076, 5095, 6742, 10190, 13484, 16855, 20380, 33710, 67420, 3435049, 6870098, 13740196, 17175245, 34350490, 68700980]

約数ペア:

[(1, 68700980), (2, 34350490), (4, 17175245), (5, 13740196), (10, 6870098), (20, 3435049), (1019, 67420), (2038, 33710), (3371, 20380), (4076, 16855), (5095, 13484), (6742, 10190)]