87679340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2311}}^1$

素因数の和:2598

約数の個数: 48

約数和(自身を含む): 211298304

約数和(自身を除く): 123618964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 1084, 1355, 1897, 2311, 2710, 3794, 4622, 5420, 7588, 9244, 9485, 11555, 16177, 18970, 23110, 32354, 37940, 46220, 64708, 80885, 161770, 323540, 626281, 1252562, 2505124, 3131405, 4383967, 6262810, 8767934, 12525620, 17535868, 21919835, 43839670, 87679340]

約数ペア:

[(1, 87679340), (2, 43839670), (4, 21919835), (5, 17535868), (7, 12525620), (10, 8767934), (14, 6262810), (20, 4383967), (28, 3131405), (35, 2505124), (70, 1252562), (140, 626281), (271, 323540), (542, 161770), (1084, 80885), (1355, 64708), (1897, 46220), (2311, 37940), (2710, 32354), (3794, 23110), (4622, 18970), (5420, 16177), (7588, 11555), (9244, 9485)]