87819340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1777}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 211482432

約数和(自身を除く): 123663092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 353, 706, 1412, 1765, 1777, 2471, 3530, 3554, 4942, 7060, 7108, 8885, 9884, 12355, 12439, 17770, 24710, 24878, 35540, 49420, 49756, 62195, 124390, 248780, 627281, 1254562, 2509124, 3136405, 4390967, 6272810, 8781934, 12545620, 17563868, 21954835, 43909670, 87819340]

約数ペア:

[(1, 87819340), (2, 43909670), (4, 21954835), (5, 17563868), (7, 12545620), (10, 8781934), (14, 6272810), (20, 4390967), (28, 3136405), (35, 2509124), (70, 1254562), (140, 627281), (353, 248780), (706, 124390), (1412, 62195), (1765, 49756), (1777, 49420), (2471, 35540), (3530, 24878), (3554, 24710), (4942, 17770), (7060, 12439), (7108, 12355), (8885, 9884)]