390956800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 216

約数和(自身を含む): 1078708736

約数和(自身を除く): 687751936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 37, 40, 50, 52, 64, 65, 74, 80, 100, 104, 127, 128, 130, 148, 160, 185, 200, 208, 254, 256, 260, 296, 320, 325, 370, 400, 416, 481, 508, 520, 592, 635, 640, 650, 740, 800, 832, 925, 962, 1016, 1040, 1184, 1270, 1280, 1300, 1480, 1600, 1651, 1664, 1850, 1924, 2032, 2080, 2368, 2405, 2540, 2600, 2960, 3175, 3200, 3302, 3328, 3700, 3848, 4064, 4160, 4699, 4736, 4810, 5080, 5200, 5920, 6350, 6400, 6604, 7400, 7696, 8128, 8255, 8320, 9398, 9472, 9620, 10160, 10400, 11840, 12025, 12700, 13208, 14800, 15392, 16256, 16510, 16640, 18796, 19240, 20320, 20800, 23495, 23680, 24050, 25400, 26416, 29600, 30784, 32512, 33020, 37592, 38480, 40640, 41275, 41600, 46990, 47360, 48100, 50800, 52832, 59200, 61087, 61568, 66040, 75184, 76960, 81280, 82550, 83200, 93980, 96200, 101600, 105664, 117475, 118400, 122174, 123136, 132080, 150368, 153920, 162560, 165100, 187960, 192400, 203200, 211328, 234950, 236800, 244348, 264160, 300736, 305435, 307840, 330200, 375920, 384800, 406400, 422656, 469900, 488696, 528320, 601472, 610870, 615680, 660400, 751840, 769600, 812800, 939800, 977392, 1056640, 1202944, 1221740, 1320800, 1503680, 1527175, 1539200, 1879600, 1954784, 2113280, 2443480, 2641600, 3007360, 3054350, 3078400, 3759200, 3909568, 4886960, 5283200, 6014720, 6108700, 7518400, 7819136, 9773920, 10566400, 12217400, 15036800, 15638272, 19547840, 24434800, 30073600, 39095680, 48869600, 78191360, 97739200, 195478400, 390956800]

約数ペア:

[(1, 390956800), (2, 195478400), (4, 97739200), (5, 78191360), (8, 48869600), (10, 39095680), (13, 30073600), (16, 24434800), (20, 19547840), (25, 15638272), (26, 15036800), (32, 12217400), (37, 10566400), (40, 9773920), (50, 7819136), (52, 7518400), (64, 6108700), (65, 6014720), (74, 5283200), (80, 4886960), (100, 3909568), (104, 3759200), (127, 3078400), (128, 3054350), (130, 3007360), (148, 2641600), (160, 2443480), (185, 2113280), (200, 1954784), (208, 1879600), (254, 1539200), (256, 1527175), (260, 1503680), (296, 1320800), (320, 1221740), (325, 1202944), (370, 1056640), (400, 977392), (416, 939800), (481, 812800), (508, 769600), (520, 751840), (592, 660400), (635, 615680), (640, 610870), (650, 601472), (740, 528320), (800, 488696), (832, 469900), (925, 422656), (962, 406400), (1016, 384800), (1040, 375920), (1184, 330200), (1270, 307840), (1280, 305435), (1300, 300736), (1480, 264160), (1600, 244348), (1651, 236800), (1664, 234950), (1850, 211328), (1924, 203200), (2032, 192400), (2080, 187960), (2368, 165100), (2405, 162560), (2540, 153920), (2600, 150368), (2960, 132080), (3175, 123136), (3200, 122174), (3302, 118400), (3328, 117475), (3700, 105664), (3848, 101600), (4064, 96200), (4160, 93980), (4699, 83200), (4736, 82550), (4810, 81280), (5080, 76960), (5200, 75184), (5920, 66040), (6350, 61568), (6400, 61087), (6604, 59200), (7400, 52832), (7696, 50800), (8128, 48100), (8255, 47360), (8320, 46990), (9398, 41600), (9472, 41275), (9620, 40640), (10160, 38480), (10400, 37592), (11840, 33020), (12025, 32512), (12700, 30784), (13208, 29600), (14800, 26416), (15392, 25400), (16256, 24050), (16510, 23680), (16640, 23495), (18796, 20800), (19240, 20320)]