1235290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2521}}^1$

素因数の和:2542

約数の個数: 24

約数和(自身を含む): 2587572

約数和(自身を除く): 1352282

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2521, 5042, 12605, 17647, 25210, 35294, 88235, 123529, 176470, 247058, 617645, 1235290]

約数ペア:

[(1, 1235290), (2, 617645), (5, 247058), (7, 176470), (10, 123529), (14, 88235), (35, 35294), (49, 25210), (70, 17647), (98, 12605), (245, 5042), (490, 2521)]