7043140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 16144128

約数和(自身を除く): 9100988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 263, 412, 515, 526, 1030, 1052, 1315, 1339, 2060, 2630, 2678, 3419, 5260, 5356, 6695, 6838, 13390, 13676, 17095, 26780, 27089, 34190, 54178, 68380, 108356, 135445, 270890, 352157, 541780, 704314, 1408628, 1760785, 3521570, 7043140]

約数ペア:

[(1, 7043140), (2, 3521570), (4, 1760785), (5, 1408628), (10, 704314), (13, 541780), (20, 352157), (26, 270890), (52, 135445), (65, 108356), (103, 68380), (130, 54178), (206, 34190), (260, 27089), (263, 26780), (412, 17095), (515, 13676), (526, 13390), (1030, 6838), (1052, 6695), (1315, 5356), (1339, 5260), (2060, 3419), (2630, 2678)]