219649040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1663}}^1$

素因数の和:1816

約数の個数: 80

約数和(自身を含む): 554631168

約数和(自身を除く): 334982128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 1663, 2032, 2540, 3302, 3326, 5080, 6604, 6652, 8255, 8315, 10160, 13208, 13304, 16510, 16630, 21619, 26416, 26608, 33020, 33260, 43238, 66040, 66520, 86476, 108095, 132080, 133040, 172952, 211201, 216190, 345904, 422402, 432380, 844804, 864760, 1056005, 1689608, 1729520, 2112010, 2745613, 3379216, 4224020, 5491226, 8448040, 10982452, 13728065, 16896080, 21964904, 27456130, 43929808, 54912260, 109824520, 219649040]

約数ペア:

[(1, 219649040), (2, 109824520), (4, 54912260), (5, 43929808), (8, 27456130), (10, 21964904), (13, 16896080), (16, 13728065), (20, 10982452), (26, 8448040), (40, 5491226), (52, 4224020), (65, 3379216), (80, 2745613), (104, 2112010), (127, 1729520), (130, 1689608), (208, 1056005), (254, 864760), (260, 844804), (508, 432380), (520, 422402), (635, 345904), (1016, 216190), (1040, 211201), (1270, 172952), (1651, 133040), (1663, 132080), (2032, 108095), (2540, 86476), (3302, 66520), (3326, 66040), (5080, 43238), (6604, 33260), (6652, 33020), (8255, 26608), (8315, 26416), (10160, 21619), (13208, 16630), (13304, 16510)]