511752020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{115781}}^1$

素因数の和:115820

約数の個数: 48

約数和(自身を含む): 1225436688

約数和(自身を除く): 713684668

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 115781, 231562, 463124, 578905, 1157810, 1505153, 1968277, 2315620, 3010306, 3936554, 6020612, 7525765, 7873108, 9841385, 15051530, 19682770, 25587601, 30103060, 39365540, 51175202, 102350404, 127938005, 255876010, 511752020]

約数ペア:

[(1, 511752020), (2, 255876010), (4, 127938005), (5, 102350404), (10, 51175202), (13, 39365540), (17, 30103060), (20, 25587601), (26, 19682770), (34, 15051530), (52, 9841385), (65, 7873108), (68, 7525765), (85, 6020612), (130, 3936554), (170, 3010306), (221, 2315620), (260, 1968277), (340, 1505153), (442, 1157810), (884, 578905), (1105, 463124), (2210, 231562), (4420, 115781)]