291378145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^2$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 395209728

約数和(自身を除く): 103831583

約数列:

[1, 5, 23, 31, 37, 47, 115, 155, 185, 235, 713, 851, 1081, 1147, 1457, 1739, 2209, 3565, 4255, 5405, 5735, 7285, 8695, 11045, 26381, 33511, 39997, 50807, 53909, 68479, 81733, 131905, 167555, 199985, 254035, 269545, 342395, 408665, 1239907, 1575017, 1879859, 2533723, 6199535, 7875085, 9399295, 12668615, 58275629, 291378145]

約数ペア:

[(1, 291378145), (5, 58275629), (23, 12668615), (31, 9399295), (37, 7875085), (47, 6199535), (115, 2533723), (155, 1879859), (185, 1575017), (235, 1239907), (713, 408665), (851, 342395), (1081, 269545), (1147, 254035), (1457, 199985), (1739, 167555), (2209, 131905), (3565, 81733), (4255, 68479), (5405, 53909), (5735, 50807), (7285, 39997), (8695, 33511), (11045, 26381)]