81409300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6121}}^1$

素因数の和:6161

約数の個数: 72

約数和(自身を含む): 212555840

約数和(自身を除く): 131146540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1900, 2660, 3325, 6121, 6650, 12242, 13300, 24484, 30605, 42847, 61210, 85694, 116299, 122420, 153025, 171388, 214235, 232598, 306050, 428470, 465196, 581495, 612100, 814093, 856940, 1071175, 1162990, 1628186, 2142350, 2325980, 2907475, 3256372, 4070465, 4284700, 5814950, 8140930, 11629900, 16281860, 20352325, 40704650, 81409300]

約数ペア:

[(1, 81409300), (2, 40704650), (4, 20352325), (5, 16281860), (7, 11629900), (10, 8140930), (14, 5814950), (19, 4284700), (20, 4070465), (25, 3256372), (28, 2907475), (35, 2325980), (38, 2142350), (50, 1628186), (70, 1162990), (76, 1071175), (95, 856940), (100, 814093), (133, 612100), (140, 581495), (175, 465196), (190, 428470), (266, 306050), (350, 232598), (380, 214235), (475, 171388), (532, 153025), (665, 122420), (700, 116299), (950, 85694), (1330, 61210), (1900, 42847), (2660, 30605), (3325, 24484), (6121, 13300), (6650, 12242)]