89379220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{638423}}^1$

素因数の和:638439

約数の個数: 24

約数和(自身を含む): 214510464

約数和(自身を除く): 125131244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 638423, 1276846, 2553692, 3192115, 4468961, 6384230, 8937922, 12768460, 17875844, 22344805, 44689610, 89379220]

約数ペア:

[(1, 89379220), (2, 44689610), (4, 22344805), (5, 17875844), (7, 12768460), (10, 8937922), (14, 6384230), (20, 4468961), (28, 3192115), (35, 2553692), (70, 1276846), (140, 638423)]