2238002020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{20959}}^1$

素因数の和:21268

約数の個数: 48

約数和(自身を含む): 4965004800

約数和(自身を除く): 2727002780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 281, 380, 562, 1124, 1405, 2810, 5339, 5620, 10678, 20959, 21356, 26695, 41918, 53390, 83836, 104795, 106780, 209590, 398221, 419180, 796442, 1592884, 1991105, 3982210, 5889479, 7964420, 11778958, 23557916, 29447395, 58894790, 111900101, 117789580, 223800202, 447600404, 559500505, 1119001010, 2238002020]

約数ペア:

[(1, 2238002020), (2, 1119001010), (4, 559500505), (5, 447600404), (10, 223800202), (19, 117789580), (20, 111900101), (38, 58894790), (76, 29447395), (95, 23557916), (190, 11778958), (281, 7964420), (380, 5889479), (562, 3982210), (1124, 1991105), (1405, 1592884), (2810, 796442), (5339, 419180), (5620, 398221), (10678, 209590), (20959, 106780), (21356, 104795), (26695, 83836), (41918, 53390)]