349078380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{831139}}^1$

素因数の和:831158

約数の個数: 48

約数和(自身を含む): 1117052160

約数和(自身を除く): 767973780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 831139, 1662278, 2493417, 3324556, 4155695, 4986834, 5817973, 8311390, 9973668, 11635946, 12467085, 16622780, 17453919, 23271892, 24934170, 29089865, 34907838, 49868340, 58179730, 69815676, 87269595, 116359460, 174539190, 349078380]

約数ペア:

[(1, 349078380), (2, 174539190), (3, 116359460), (4, 87269595), (5, 69815676), (6, 58179730), (7, 49868340), (10, 34907838), (12, 29089865), (14, 24934170), (15, 23271892), (20, 17453919), (21, 16622780), (28, 12467085), (30, 11635946), (35, 9973668), (42, 8311390), (60, 5817973), (70, 4986834), (84, 4155695), (105, 3324556), (140, 2493417), (210, 1662278), (420, 831139)]