90141940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{1487}}^1$

素因数の和:1936

約数の個数: 48

約数和(自身を含む): 216986112

約数和(自身を除く): 126844172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 433, 866, 1487, 1732, 2165, 2974, 3031, 4330, 5948, 6062, 7435, 8660, 10409, 12124, 14870, 15155, 20818, 29740, 30310, 41636, 52045, 60620, 104090, 208180, 643871, 1287742, 2575484, 3219355, 4507097, 6438710, 9014194, 12877420, 18028388, 22535485, 45070970, 90141940]

約数ペア:

[(1, 90141940), (2, 45070970), (4, 22535485), (5, 18028388), (7, 12877420), (10, 9014194), (14, 6438710), (20, 4507097), (28, 3219355), (35, 2575484), (70, 1287742), (140, 643871), (433, 208180), (866, 104090), (1487, 60620), (1732, 52045), (2165, 41636), (2974, 30310), (3031, 29740), (4330, 20818), (5948, 15155), (6062, 14870), (7435, 12124), (8660, 10409)]