539451380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{12277}}^1$

素因数の和:12325

約数の個数: 48

約数和(自身を含む): 1227308880

約数和(自身を除く): 687857500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2197, 3380, 4394, 8788, 10985, 12277, 21970, 24554, 43940, 49108, 61385, 122770, 159601, 245540, 319202, 638404, 798005, 1596010, 2074813, 3192020, 4149626, 8299252, 10374065, 20748130, 26972569, 41496260, 53945138, 107890276, 134862845, 269725690, 539451380]

約数ペア:

[(1, 539451380), (2, 269725690), (4, 134862845), (5, 107890276), (10, 53945138), (13, 41496260), (20, 26972569), (26, 20748130), (52, 10374065), (65, 8299252), (130, 4149626), (169, 3192020), (260, 2074813), (338, 1596010), (676, 798005), (845, 638404), (1690, 319202), (2197, 245540), (3380, 159601), (4394, 122770), (8788, 61385), (10985, 49108), (12277, 43940), (21970, 24554)]