257502041390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1\times {\mathrm{147293}}^1$

素因数の和:148025

約数の個数: 64

約数和(自身を含む): 528391890432

約数和(自身を除く): 270889849042

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 691, 1265, 1382, 2530, 3455, 6910, 7601, 15202, 15893, 31786, 38005, 76010, 79465, 147293, 158930, 174823, 294586, 349646, 736465, 874115, 1472930, 1620223, 1748230, 3240446, 3387739, 6775478, 8101115, 16202230, 16938695, 33877390, 37265129, 74530258, 101779463, 186325645, 203558926, 372651290, 508897315, 1017794630, 1119574093, 2239148186, 2340927649, 4681855298, 5597870465, 11195740930, 11704638245, 23409276490, 25750204139, 51500408278, 128751020695, 257502041390]

約数ペア:

[(1, 257502041390), (2, 128751020695), (5, 51500408278), (10, 25750204139), (11, 23409276490), (22, 11704638245), (23, 11195740930), (46, 5597870465), (55, 4681855298), (110, 2340927649), (115, 2239148186), (230, 1119574093), (253, 1017794630), (506, 508897315), (691, 372651290), (1265, 203558926), (1382, 186325645), (2530, 101779463), (3455, 74530258), (6910, 37265129), (7601, 33877390), (15202, 16938695), (15893, 16202230), (31786, 8101115), (38005, 6775478), (76010, 3387739), (79465, 3240446), (147293, 1748230), (158930, 1620223), (174823, 1472930), (294586, 874115), (349646, 736465)]