68980845640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{35194309}}^1$

素因数の和:35194334

約数の個数: 48

約数和(自身を含む): 180546810300

約数和(自身を除く): 111565964660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 35194309, 70388618, 140777236, 175971545, 246360163, 281554472, 351943090, 492720326, 703886180, 985440652, 1231800815, 1407772360, 1724521141, 1970881304, 2463601630, 3449042282, 4927203260, 6898084564, 8622605705, 9854406520, 13796169128, 17245211410, 34490422820, 68980845640]

約数ペア:

[(1, 68980845640), (2, 34490422820), (4, 17245211410), (5, 13796169128), (7, 9854406520), (8, 8622605705), (10, 6898084564), (14, 4927203260), (20, 3449042282), (28, 2463601630), (35, 1970881304), (40, 1724521141), (49, 1407772360), (56, 1231800815), (70, 985440652), (98, 703886180), (140, 492720326), (196, 351943090), (245, 281554472), (280, 246360163), (392, 175971545), (490, 140777236), (980, 70388618), (1960, 35194309)]