55288380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131639}}^1$

素因数の和:131658

約数の個数: 48

約数和(自身を含む): 176924160

約数和(自身を除く): 121635780

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, 131639, 263278, 394917, 526556, 658195, 789834, 921473, 1316390, 1579668, 1842946, 1974585, 2632780, 2764419, 3685892, 3949170, 4607365, 5528838, 7898340, 9214730, 11057676, 13822095, 18429460, 27644190, 55288380]

約数ペア:

[(1, 55288380), (2, 27644190), (3, 18429460), (4, 13822095), (5, 11057676), (6, 9214730), (7, 7898340), (10, 5528838), (12, 4607365), (14, 3949170), (15, 3685892), (20, 2764419), (21, 2632780), (28, 1974585), (30, 1842946), (35, 1579668), (42, 1316390), (60, 921473), (70, 789834), (84, 658195), (105, 526556), (140, 394917), (210, 263278), (420, 131639)]