55251420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{18793}}^1$

素因数の和:18819

約数の個数: 72

約数和(自身を含む): 179971344

約数和(自身を除く): 124719924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 18793, 37586, 56379, 75172, 93965, 112758, 131551, 187930, 225516, 263102, 281895, 375860, 394653, 526204, 563790, 657755, 789306, 920857, 1127580, 1315510, 1578612, 1841714, 1973265, 2631020, 2762571, 3683428, 3946530, 4604285, 5525142, 7893060, 9208570, 11050284, 13812855, 18417140, 27625710, 55251420]

約数ペア:

[(1, 55251420), (2, 27625710), (3, 18417140), (4, 13812855), (5, 11050284), (6, 9208570), (7, 7893060), (10, 5525142), (12, 4604285), (14, 3946530), (15, 3683428), (20, 2762571), (21, 2631020), (28, 1973265), (30, 1841714), (35, 1578612), (42, 1315510), (49, 1127580), (60, 920857), (70, 789306), (84, 657755), (98, 563790), (105, 526204), (140, 394653), (147, 375860), (196, 281895), (210, 263102), (245, 225516), (294, 187930), (420, 131551), (490, 112758), (588, 93965), (735, 75172), (980, 56379), (1470, 37586), (2940, 18793)]