1243340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 3048192

約数和(自身を除く): 1804852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 107, 140, 166, 214, 332, 415, 428, 535, 581, 749, 830, 1070, 1162, 1498, 1660, 2140, 2324, 2905, 2996, 3745, 5810, 7490, 8881, 11620, 14980, 17762, 35524, 44405, 62167, 88810, 124334, 177620, 248668, 310835, 621670, 1243340]

約数ペア:

[(1, 1243340), (2, 621670), (4, 310835), (5, 248668), (7, 177620), (10, 124334), (14, 88810), (20, 62167), (28, 44405), (35, 35524), (70, 17762), (83, 14980), (107, 11620), (140, 8881), (166, 7490), (214, 5810), (332, 3745), (415, 2996), (428, 2905), (535, 2324), (581, 2140), (749, 1660), (830, 1498), (1070, 1162)]