28554260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29137}}^1$

素因数の和:29160

約数の個数: 36

約数和(自身を含む): 69756372

約数和(自身を除く): 41202112

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 29137, 58274, 116548, 145685, 203959, 291370, 407918, 582740, 815836, 1019795, 1427713, 2039590, 2855426, 4079180, 5710852, 7138565, 14277130, 28554260]

約数ペア:

[(1, 28554260), (2, 14277130), (4, 7138565), (5, 5710852), (7, 4079180), (10, 2855426), (14, 2039590), (20, 1427713), (28, 1019795), (35, 815836), (49, 582740), (70, 407918), (98, 291370), (140, 203959), (196, 145685), (245, 116548), (490, 58274), (980, 29137)]