51213820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{52259}}^1$

素因数の和:52282

約数の個数: 36

約数和(自身を含む): 125110440

約数和(自身を除く): 73896620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 52259, 104518, 209036, 261295, 365813, 522590, 731626, 1045180, 1463252, 1829065, 2560691, 3658130, 5121382, 7316260, 10242764, 12803455, 25606910, 51213820]

約数ペア:

[(1, 51213820), (2, 25606910), (4, 12803455), (5, 10242764), (7, 7316260), (10, 5121382), (14, 3658130), (20, 2560691), (28, 1829065), (35, 1463252), (49, 1045180), (70, 731626), (98, 522590), (140, 365813), (196, 261295), (245, 209036), (490, 104518), (980, 52259)]