220141292

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2166

約数の個数: 48

約数和(自身を含む): 458293248

約数和(自身を除く): 238151956

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 217, 254, 434, 508, 868, 889, 1778, 1997, 3556, 3937, 3994, 7874, 7988, 13979, 15748, 27559, 27958, 55118, 55916, 61907, 110236, 123814, 247628, 253619, 433349, 507238, 866698, 1014476, 1733396, 1775333, 3550666, 7101332, 7862189, 15724378, 31448756, 55035323, 110070646, 220141292]

約数ペア:

[(1, 220141292), (2, 110070646), (4, 55035323), (7, 31448756), (14, 15724378), (28, 7862189), (31, 7101332), (62, 3550666), (124, 1775333), (127, 1733396), (217, 1014476), (254, 866698), (434, 507238), (508, 433349), (868, 253619), (889, 247628), (1778, 123814), (1997, 110236), (3556, 61907), (3937, 55916), (3994, 55118), (7874, 27958), (7988, 27559), (13979, 15748)]