784140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1867}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 2510592

約数和(自身を除く): 1726452

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, 1867, 3734, 5601, 7468, 9335, 11202, 13069, 18670, 22404, 26138, 28005, 37340, 39207, 52276, 56010, 65345, 78414, 112020, 130690, 156828, 196035, 261380, 392070, 784140]

約数ペア:

[(1, 784140), (2, 392070), (3, 261380), (4, 196035), (5, 156828), (6, 130690), (7, 112020), (10, 78414), (12, 65345), (14, 56010), (15, 52276), (20, 39207), (21, 37340), (28, 28005), (30, 26138), (35, 22404), (42, 18670), (60, 13069), (70, 11202), (84, 9335), (105, 7468), (140, 5601), (210, 3734), (420, 1867)]