11819780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1723}}^1$

素因数の和:1753

約数の個数: 48

約数和(自身を含む): 28963200

約数和(自身を除く): 17143420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 1723, 3430, 3446, 6860, 6892, 8615, 12061, 17230, 24122, 34460, 48244, 60305, 84427, 120610, 168854, 241220, 337708, 422135, 590989, 844270, 1181978, 1688540, 2363956, 2954945, 5909890, 11819780]

約数ペア:

[(1, 11819780), (2, 5909890), (4, 2954945), (5, 2363956), (7, 1688540), (10, 1181978), (14, 844270), (20, 590989), (28, 422135), (35, 337708), (49, 241220), (70, 168854), (98, 120610), (140, 84427), (196, 60305), (245, 48244), (343, 34460), (490, 24122), (686, 17230), (980, 12061), (1372, 8615), (1715, 6892), (1723, 6860), (3430, 3446)]