17682140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18043}}^1$

素因数の和:18066

約数の個数: 36

約数和(自身を含む): 43197336

約数和(自身を除く): 25515196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18043, 36086, 72172, 90215, 126301, 180430, 252602, 360860, 505204, 631505, 884107, 1263010, 1768214, 2526020, 3536428, 4420535, 8841070, 17682140]

約数ペア:

[(1, 17682140), (2, 8841070), (4, 4420535), (5, 3536428), (7, 2526020), (10, 1768214), (14, 1263010), (20, 884107), (28, 631505), (35, 505204), (49, 360860), (70, 252602), (98, 180430), (140, 126301), (196, 90215), (245, 72172), (490, 36086), (980, 18043)]