71495540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{479}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 159667200

約数和(自身を除く): 88171660

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 439, 479, 878, 958, 1756, 1916, 2195, 2395, 4390, 4790, 7463, 8143, 8780, 9580, 14926, 16286, 29852, 32572, 37315, 40715, 74630, 81430, 149260, 162860, 210281, 420562, 841124, 1051405, 2102810, 3574777, 4205620, 7149554, 14299108, 17873885, 35747770, 71495540]

約数ペア:

[(1, 71495540), (2, 35747770), (4, 17873885), (5, 14299108), (10, 7149554), (17, 4205620), (20, 3574777), (34, 2102810), (68, 1051405), (85, 841124), (170, 420562), (340, 210281), (439, 162860), (479, 149260), (878, 81430), (958, 74630), (1756, 40715), (1916, 37315), (2195, 32572), (2395, 29852), (4390, 16286), (4790, 14926), (7463, 9580), (8143, 8780)]