129022460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{921589}}^1$

素因数の和:921605

約数の個数: 24

約数和(自身を含む): 309654240

約数和(自身を除く): 180631780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 921589, 1843178, 3686356, 4607945, 6451123, 9215890, 12902246, 18431780, 25804492, 32255615, 64511230, 129022460]

約数ペア:

[(1, 129022460), (2, 64511230), (4, 32255615), (5, 25804492), (7, 18431780), (10, 12902246), (14, 9215890), (20, 6451123), (28, 4607945), (35, 3686356), (70, 1843178), (140, 921589)]