17900680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9133}}^1$

素因数の和:9158

約数の個数: 48

約数和(自身を含む): 46857420

約数和(自身を除く): 28956740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9133, 18266, 36532, 45665, 63931, 73064, 91330, 127862, 182660, 255724, 319655, 365320, 447517, 511448, 639310, 895034, 1278620, 1790068, 2237585, 2557240, 3580136, 4475170, 8950340, 17900680]

約数ペア:

[(1, 17900680), (2, 8950340), (4, 4475170), (5, 3580136), (7, 2557240), (8, 2237585), (10, 1790068), (14, 1278620), (20, 895034), (28, 639310), (35, 511448), (40, 447517), (49, 365320), (56, 319655), (70, 255724), (98, 182660), (140, 127862), (196, 91330), (245, 73064), (280, 63931), (392, 45665), (490, 36532), (980, 18266), (1960, 9133)]