866882020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{19463}}^1$

素因数の和:19620

約数の個数: 48

約数和(自身を含む): 1942351488

約数和(自身を除く): 1075469468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 340, 524, 655, 1310, 2227, 2620, 4454, 8908, 11135, 19463, 22270, 38926, 44540, 77852, 97315, 194630, 330871, 389260, 661742, 1323484, 1654355, 2549653, 3308710, 5099306, 6617420, 10198612, 12748265, 25496530, 43344101, 50993060, 86688202, 173376404, 216720505, 433441010, 866882020]

約数ペア:

[(1, 866882020), (2, 433441010), (4, 216720505), (5, 173376404), (10, 86688202), (17, 50993060), (20, 43344101), (34, 25496530), (68, 12748265), (85, 10198612), (131, 6617420), (170, 5099306), (262, 3308710), (340, 2549653), (524, 1654355), (655, 1323484), (1310, 661742), (2227, 389260), (2620, 330871), (4454, 194630), (8908, 97315), (11135, 77852), (19463, 44540), (22270, 38926)]