1878973940

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{367}}^1\times {\mathrm{911}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 3975035904

約数和(自身を除く): 2096061964

約数列:

[1, 2, 4, 5, 10, 20, 281, 367, 562, 734, 911, 1124, 1405, 1468, 1822, 1835, 2810, 3644, 3670, 4555, 5620, 7340, 9110, 18220, 103127, 206254, 255991, 334337, 412508, 511982, 515635, 668674, 1023964, 1031270, 1279955, 1337348, 1671685, 2062540, 2559910, 3343370, 5119820, 6686740, 93948697, 187897394, 375794788, 469743485, 939486970, 1878973940]

約数ペア:

[(1, 1878973940), (2, 939486970), (4, 469743485), (5, 375794788), (10, 187897394), (20, 93948697), (281, 6686740), (367, 5119820), (562, 3343370), (734, 2559910), (911, 2062540), (1124, 1671685), (1405, 1337348), (1468, 1279955), (1822, 1031270), (1835, 1023964), (2810, 668674), (3644, 515635), (3670, 511982), (4555, 412508), (5620, 334337), (7340, 255991), (9110, 206254), (18220, 103127)]