531362920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 1355304960

約数和(自身を除く): 823942040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 127, 148, 185, 220, 254, 257, 296, 370, 407, 440, 508, 514, 635, 740, 814, 1016, 1028, 1270, 1285, 1397, 1480, 1628, 2035, 2056, 2540, 2570, 2794, 2827, 3256, 4070, 4699, 5080, 5140, 5588, 5654, 6985, 8140, 9398, 9509, 10280, 11176, 11308, 13970, 14135, 16280, 18796, 19018, 22616, 23495, 27940, 28270, 32639, 37592, 38036, 46990, 47545, 51689, 55880, 56540, 65278, 76072, 93980, 95090, 103378, 104599, 113080, 130556, 163195, 187960, 190180, 206756, 209198, 258445, 261112, 326390, 359029, 380360, 413512, 418396, 516890, 522995, 652780, 718058, 836792, 1033780, 1045990, 1207643, 1305560, 1436116, 1795145, 2067560, 2091980, 2415286, 2872232, 3590290, 4183960, 4830572, 6038215, 7180580, 9661144, 12076430, 13284073, 14361160, 24152860, 26568146, 48305720, 53136292, 66420365, 106272584, 132840730, 265681460, 531362920]

約数ペア:

[(1, 531362920), (2, 265681460), (4, 132840730), (5, 106272584), (8, 66420365), (10, 53136292), (11, 48305720), (20, 26568146), (22, 24152860), (37, 14361160), (40, 13284073), (44, 12076430), (55, 9661144), (74, 7180580), (88, 6038215), (110, 4830572), (127, 4183960), (148, 3590290), (185, 2872232), (220, 2415286), (254, 2091980), (257, 2067560), (296, 1795145), (370, 1436116), (407, 1305560), (440, 1207643), (508, 1045990), (514, 1033780), (635, 836792), (740, 718058), (814, 652780), (1016, 522995), (1028, 516890), (1270, 418396), (1285, 413512), (1397, 380360), (1480, 359029), (1628, 326390), (2035, 261112), (2056, 258445), (2540, 209198), (2570, 206756), (2794, 190180), (2827, 187960), (3256, 163195), (4070, 130556), (4699, 113080), (5080, 104599), (5140, 103378), (5588, 95090), (5654, 93980), (6985, 76072), (8140, 65278), (9398, 56540), (9509, 55880), (10280, 51689), (11176, 47545), (11308, 46990), (13970, 38036), (14135, 37592), (16280, 32639), (18796, 28270), (19018, 27940), (22616, 23495)]