980608580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1000621}}^1$

素因数の和:1000644

約数の個数: 36

約数和(自身を含む): 2395489068

約数和(自身を除く): 1414880488

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1000621, 2001242, 4002484, 5003105, 7004347, 10006210, 14008694, 20012420, 28017388, 35021735, 49030429, 70043470, 98060858, 140086940, 196121716, 245152145, 490304290, 980608580]

約数ペア:

[(1, 980608580), (2, 490304290), (4, 245152145), (5, 196121716), (7, 140086940), (10, 98060858), (14, 70043470), (20, 49030429), (28, 35021735), (35, 28017388), (49, 20012420), (70, 14008694), (98, 10006210), (140, 7004347), (196, 5003105), (245, 4002484), (490, 2001242), (980, 1000621)]