2086980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4969}}^1$

素因数の和:4988

約数の個数: 48

約数和(自身を含む): 6679680

約数和(自身を除く): 4592700

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, 4969, 9938, 14907, 19876, 24845, 29814, 34783, 49690, 59628, 69566, 74535, 99380, 104349, 139132, 149070, 173915, 208698, 298140, 347830, 417396, 521745, 695660, 1043490, 2086980]

約数ペア:

[(1, 2086980), (2, 1043490), (3, 695660), (4, 521745), (5, 417396), (6, 347830), (7, 298140), (10, 208698), (12, 173915), (14, 149070), (15, 139132), (20, 104349), (21, 99380), (28, 74535), (30, 69566), (35, 59628), (42, 49690), (60, 34783), (70, 29814), (84, 24845), (105, 19876), (140, 14907), (210, 9938), (420, 4969)]