201605720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{296479}}^1$

素因数の和:296507

約数の個数: 32

約数和(自身を含む): 480297600

約数和(自身を除く): 278691880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 296479, 592958, 1185916, 1482395, 2371832, 2964790, 5040143, 5929580, 10080286, 11859160, 20160572, 25200715, 40321144, 50401430, 100802860, 201605720]

約数ペア:

[(1, 201605720), (2, 100802860), (4, 50401430), (5, 40321144), (8, 25200715), (10, 20160572), (17, 11859160), (20, 10080286), (34, 5929580), (40, 5040143), (68, 2964790), (85, 2371832), (136, 1482395), (170, 1185916), (340, 592958), (680, 296479)]