30420995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 42958080

約数和(自身を除く): 12537085

約数列:

[1, 5, 11, 19, 43, 55, 95, 209, 215, 473, 677, 817, 1045, 2365, 3385, 4085, 7447, 8987, 12863, 29111, 37235, 44935, 64315, 141493, 145555, 320221, 553109, 707465, 1601105, 2765545, 6084199, 30420995]

約数ペア:

[(1, 30420995), (5, 6084199), (11, 2765545), (19, 1601105), (43, 707465), (55, 553109), (95, 320221), (209, 145555), (215, 141493), (473, 64315), (677, 44935), (817, 37235), (1045, 29111), (2365, 12863), (3385, 8987), (4085, 7447)]