268476740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61861}}^1$

素因数の和:61908

約数の個数: 48

約数和(自身を含む): 665140224

約数和(自身を除く): 396663484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 61861, 123722, 247444, 309305, 433027, 618610, 866054, 1237220, 1732108, 1917691, 2165135, 3835382, 4330270, 7670764, 8660540, 9588455, 13423837, 19176910, 26847674, 38353820, 53695348, 67119185, 134238370, 268476740]

約数ペア:

[(1, 268476740), (2, 134238370), (4, 67119185), (5, 53695348), (7, 38353820), (10, 26847674), (14, 19176910), (20, 13423837), (28, 9588455), (31, 8660540), (35, 7670764), (62, 4330270), (70, 3835382), (124, 2165135), (140, 1917691), (155, 1732108), (217, 1237220), (310, 866054), (434, 618610), (620, 433027), (868, 309305), (1085, 247444), (2170, 123722), (4340, 61861)]