7421210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 14212800

約数和(自身を除く): 6791590

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 281, 562, 695, 1390, 1405, 2641, 2810, 5282, 5339, 10678, 13205, 26410, 26695, 39059, 53390, 78118, 195295, 390590, 742121, 1484242, 3710605, 7421210]

約数ペア:

[(1, 7421210), (2, 3710605), (5, 1484242), (10, 742121), (19, 390590), (38, 195295), (95, 78118), (139, 53390), (190, 39059), (278, 26695), (281, 26410), (562, 13205), (695, 10678), (1390, 5339), (1405, 5282), (2641, 2810)]