1277506780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{135043}}^1$

素因数の和:135106

約数の個数: 48

約数和(自身を含む): 2994735744

約数和(自身を除く): 1717228964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 135043, 270086, 540172, 675215, 1350430, 1485473, 2700860, 2970946, 5806849, 5941892, 7427365, 11613698, 14854730, 23227396, 29034245, 29709460, 58068490, 63875339, 116136980, 127750678, 255501356, 319376695, 638753390, 1277506780]

約数ペア:

[(1, 1277506780), (2, 638753390), (4, 319376695), (5, 255501356), (10, 127750678), (11, 116136980), (20, 63875339), (22, 58068490), (43, 29709460), (44, 29034245), (55, 23227396), (86, 14854730), (110, 11613698), (172, 7427365), (215, 5941892), (220, 5806849), (430, 2970946), (473, 2700860), (860, 1485473), (946, 1350430), (1892, 675215), (2365, 540172), (4730, 270086), (9460, 135043)]