261737450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1433}}^1$

素因数の和:1739

約数の個数: 48

約数和(自身を含む): 526513176

約数和(自身を除く): 264775726

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 281, 325, 562, 650, 1405, 1433, 2810, 2866, 3653, 7025, 7165, 7306, 14050, 14330, 18265, 18629, 35825, 36530, 37258, 71650, 91325, 93145, 182650, 186290, 402673, 465725, 805346, 931450, 2013365, 4026730, 5234749, 10066825, 10469498, 20133650, 26173745, 52347490, 130868725, 261737450]

約数ペア:

[(1, 261737450), (2, 130868725), (5, 52347490), (10, 26173745), (13, 20133650), (25, 10469498), (26, 10066825), (50, 5234749), (65, 4026730), (130, 2013365), (281, 931450), (325, 805346), (562, 465725), (650, 402673), (1405, 186290), (1433, 182650), (2810, 93145), (2866, 91325), (3653, 71650), (7025, 37258), (7165, 36530), (7306, 35825), (14050, 18629), (14330, 18265)]