316780000

素因数分解:

$2^5\times 5^4\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:414

約数の個数: 120

約数和(自身を含む): 798269472

約数和(自身を除く): 481489472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 80, 94, 100, 125, 160, 188, 200, 235, 250, 337, 376, 400, 470, 500, 625, 674, 752, 800, 940, 1000, 1175, 1250, 1348, 1504, 1685, 1880, 2000, 2350, 2500, 2696, 3370, 3760, 4000, 4700, 5000, 5392, 5875, 6740, 7520, 8425, 9400, 10000, 10784, 11750, 13480, 15839, 16850, 18800, 20000, 23500, 26960, 29375, 31678, 33700, 37600, 42125, 47000, 53920, 58750, 63356, 67400, 79195, 84250, 94000, 117500, 126712, 134800, 158390, 168500, 188000, 210625, 235000, 253424, 269600, 316780, 337000, 395975, 421250, 470000, 506848, 633560, 674000, 791950, 842500, 940000, 1267120, 1348000, 1583900, 1685000, 1979875, 2534240, 3167800, 3370000, 3959750, 6335600, 6740000, 7919500, 9899375, 12671200, 15839000, 19798750, 31678000, 39597500, 63356000, 79195000, 158390000, 316780000]

約数ペア:

[(1, 316780000), (2, 158390000), (4, 79195000), (5, 63356000), (8, 39597500), (10, 31678000), (16, 19798750), (20, 15839000), (25, 12671200), (32, 9899375), (40, 7919500), (47, 6740000), (50, 6335600), (80, 3959750), (94, 3370000), (100, 3167800), (125, 2534240), (160, 1979875), (188, 1685000), (200, 1583900), (235, 1348000), (250, 1267120), (337, 940000), (376, 842500), (400, 791950), (470, 674000), (500, 633560), (625, 506848), (674, 470000), (752, 421250), (800, 395975), (940, 337000), (1000, 316780), (1175, 269600), (1250, 253424), (1348, 235000), (1504, 210625), (1685, 188000), (1880, 168500), (2000, 158390), (2350, 134800), (2500, 126712), (2696, 117500), (3370, 94000), (3760, 84250), (4000, 79195), (4700, 67400), (5000, 63356), (5392, 58750), (5875, 53920), (6740, 47000), (7520, 42125), (8425, 37600), (9400, 33700), (10000, 31678), (10784, 29375), (11750, 26960), (13480, 23500), (15839, 20000), (16850, 18800)]