138667060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{141497}}^1$

素因数の和:141520

約数の個数: 36

約数和(自身を含む): 338746212

約数和(自身を除く): 200079152

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 141497, 282994, 565988, 707485, 990479, 1414970, 1980958, 2829940, 3961916, 4952395, 6933353, 9904790, 13866706, 19809580, 27733412, 34666765, 69333530, 138667060]

約数ペア:

[(1, 138667060), (2, 69333530), (4, 34666765), (5, 27733412), (7, 19809580), (10, 13866706), (14, 9904790), (20, 6933353), (28, 4952395), (35, 3961916), (49, 2829940), (70, 1980958), (98, 1414970), (140, 990479), (196, 707485), (245, 565988), (490, 282994), (980, 141497)]