421694700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{200807}}^1$

素因数の和:200831

約数の個数: 72

約数和(自身を含む): 1394410752

約数和(自身を除く): 972716052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 200807, 401614, 602421, 803228, 1004035, 1204842, 1405649, 2008070, 2409684, 2811298, 3012105, 4016140, 4216947, 5020175, 5622596, 6024210, 7028245, 8433894, 10040350, 12048420, 14056490, 15060525, 16867788, 20080700, 21084735, 28112980, 30121050, 35141225, 42169470, 60242100, 70282450, 84338940, 105423675, 140564900, 210847350, 421694700]

約数ペア:

[(1, 421694700), (2, 210847350), (3, 140564900), (4, 105423675), (5, 84338940), (6, 70282450), (7, 60242100), (10, 42169470), (12, 35141225), (14, 30121050), (15, 28112980), (20, 21084735), (21, 20080700), (25, 16867788), (28, 15060525), (30, 14056490), (35, 12048420), (42, 10040350), (50, 8433894), (60, 7028245), (70, 6024210), (75, 5622596), (84, 5020175), (100, 4216947), (105, 4016140), (140, 3012105), (150, 2811298), (175, 2409684), (210, 2008070), (300, 1405649), (350, 1204842), (420, 1004035), (525, 803228), (700, 602421), (1050, 401614), (2100, 200807)]