242856880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{433673}}^1$

素因数の和:433693

約数の個数: 40

約数和(自身を含む): 645306912

約数和(自身を除く): 402450032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 433673, 867346, 1734692, 2168365, 3035711, 3469384, 4336730, 6071422, 6938768, 8673460, 12142844, 15178555, 17346920, 24285688, 30357110, 34693840, 48571376, 60714220, 121428440, 242856880]

約数ペア:

[(1, 242856880), (2, 121428440), (4, 60714220), (5, 48571376), (7, 34693840), (8, 30357110), (10, 24285688), (14, 17346920), (16, 15178555), (20, 12142844), (28, 8673460), (35, 6938768), (40, 6071422), (56, 4336730), (70, 3469384), (80, 3035711), (112, 2168365), (140, 1734692), (280, 867346), (560, 433673)]