391783840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:339

約数の個数: 192

約数和(自身を含む): 1125218304

約数和(自身を除く): 733434464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 67, 70, 80, 92, 112, 115, 134, 140, 160, 161, 184, 224, 227, 230, 268, 280, 322, 335, 368, 454, 460, 469, 536, 560, 644, 670, 736, 805, 908, 920, 938, 1072, 1120, 1135, 1288, 1340, 1541, 1589, 1610, 1816, 1840, 1876, 2144, 2270, 2345, 2576, 2680, 3082, 3178, 3220, 3632, 3680, 3752, 4540, 4690, 5152, 5221, 5360, 6164, 6356, 6440, 7264, 7504, 7705, 7945, 9080, 9380, 10442, 10720, 10787, 12328, 12712, 12880, 15008, 15209, 15410, 15890, 18160, 18760, 20884, 21574, 24656, 25424, 25760, 26105, 30418, 30820, 31780, 36320, 36547, 37520, 41768, 43148, 49312, 50848, 52210, 53935, 60836, 61640, 63560, 73094, 75040, 76045, 83536, 86296, 104420, 106463, 107870, 121672, 123280, 127120, 146188, 152090, 167072, 172592, 182735, 208840, 212926, 215740, 243344, 246560, 254240, 292376, 304180, 345184, 349807, 365470, 417680, 425852, 431480, 486688, 532315, 584752, 608360, 699614, 730940, 835360, 851704, 862960, 1064630, 1169504, 1216720, 1399228, 1461880, 1703408, 1725920, 1749035, 2129260, 2433440, 2448649, 2798456, 2923760, 3406816, 3498070, 4258520, 4897298, 5596912, 5847520, 6996140, 8517040, 9794596, 11193824, 12243245, 13992280, 17034080, 19589192, 24486490, 27984560, 39178384, 48972980, 55969120, 78356768, 97945960, 195891920, 391783840]

約数ペア:

[(1, 391783840), (2, 195891920), (4, 97945960), (5, 78356768), (7, 55969120), (8, 48972980), (10, 39178384), (14, 27984560), (16, 24486490), (20, 19589192), (23, 17034080), (28, 13992280), (32, 12243245), (35, 11193824), (40, 9794596), (46, 8517040), (56, 6996140), (67, 5847520), (70, 5596912), (80, 4897298), (92, 4258520), (112, 3498070), (115, 3406816), (134, 2923760), (140, 2798456), (160, 2448649), (161, 2433440), (184, 2129260), (224, 1749035), (227, 1725920), (230, 1703408), (268, 1461880), (280, 1399228), (322, 1216720), (335, 1169504), (368, 1064630), (454, 862960), (460, 851704), (469, 835360), (536, 730940), (560, 699614), (644, 608360), (670, 584752), (736, 532315), (805, 486688), (908, 431480), (920, 425852), (938, 417680), (1072, 365470), (1120, 349807), (1135, 345184), (1288, 304180), (1340, 292376), (1541, 254240), (1589, 246560), (1610, 243344), (1816, 215740), (1840, 212926), (1876, 208840), (2144, 182735), (2270, 172592), (2345, 167072), (2576, 152090), (2680, 146188), (3082, 127120), (3178, 123280), (3220, 121672), (3632, 107870), (3680, 106463), (3752, 104420), (4540, 86296), (4690, 83536), (5152, 76045), (5221, 75040), (5360, 73094), (6164, 63560), (6356, 61640), (6440, 60836), (7264, 53935), (7504, 52210), (7705, 50848), (7945, 49312), (9080, 43148), (9380, 41768), (10442, 37520), (10720, 36547), (10787, 36320), (12328, 31780), (12712, 30820), (12880, 30418), (15008, 26105), (15209, 25760), (15410, 25424), (15890, 24656), (18160, 21574), (18760, 20884)]