1419340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 3302208

約数和(自身を除く): 1882868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 103, 106, 130, 206, 212, 260, 265, 412, 515, 530, 689, 1030, 1060, 1339, 1378, 2060, 2678, 2756, 3445, 5356, 5459, 6695, 6890, 10918, 13390, 13780, 21836, 26780, 27295, 54590, 70967, 109180, 141934, 283868, 354835, 709670, 1419340]

約数ペア:

[(1, 1419340), (2, 709670), (4, 354835), (5, 283868), (10, 141934), (13, 109180), (20, 70967), (26, 54590), (52, 27295), (53, 26780), (65, 21836), (103, 13780), (106, 13390), (130, 10918), (206, 6890), (212, 6695), (260, 5459), (265, 5356), (412, 3445), (515, 2756), (530, 2678), (689, 2060), (1030, 1378), (1060, 1339)]