7803740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{7963}}^1$

素因数の和:7986

約数の個数: 36

約数和(自身を含む): 19065816

約数和(自身を除く): 11262076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 7963, 15926, 31852, 39815, 55741, 79630, 111482, 159260, 222964, 278705, 390187, 557410, 780374, 1114820, 1560748, 1950935, 3901870, 7803740]

約数ペア:

[(1, 7803740), (2, 3901870), (4, 1950935), (5, 1560748), (7, 1114820), (10, 780374), (14, 557410), (20, 390187), (28, 278705), (35, 222964), (49, 159260), (70, 111482), (98, 79630), (140, 55741), (196, 39815), (245, 31852), (490, 15926), (980, 7963)]