109919740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{112163}}^1$

素因数の和:112186

約数の個数: 36

約数和(自身を含む): 268520616

約数和(自身を除く): 158600876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 112163, 224326, 448652, 560815, 785141, 1121630, 1570282, 2243260, 3140564, 3925705, 5495987, 7851410, 10991974, 15702820, 21983948, 27479935, 54959870, 109919740]

約数ペア:

[(1, 109919740), (2, 54959870), (4, 27479935), (5, 21983948), (7, 15702820), (10, 10991974), (14, 7851410), (20, 5495987), (28, 3925705), (35, 3140564), (49, 2243260), (70, 1570282), (98, 1121630), (140, 785141), (196, 560815), (245, 448652), (490, 224326), (980, 112163)]