203430920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^2$

素因数の和:543

約数の個数: 96

約数和(自身を含む): 572892480

約数和(自身を除く): 369461560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 257, 280, 308, 385, 440, 514, 616, 770, 1028, 1285, 1540, 1799, 2056, 2570, 2827, 3080, 3598, 5140, 5654, 7196, 8995, 10280, 11308, 14135, 14392, 17990, 19789, 22616, 28270, 35980, 39578, 56540, 66049, 71960, 79156, 98945, 113080, 132098, 158312, 197890, 264196, 330245, 395780, 462343, 528392, 660490, 726539, 791560, 924686, 1320980, 1453078, 1849372, 2311715, 2641960, 2906156, 3632695, 3698744, 4623430, 5085773, 5812312, 7265390, 9246860, 10171546, 14530780, 18493720, 20343092, 25428865, 29061560, 40686184, 50857730, 101715460, 203430920]

約数ペア:

[(1, 203430920), (2, 101715460), (4, 50857730), (5, 40686184), (7, 29061560), (8, 25428865), (10, 20343092), (11, 18493720), (14, 14530780), (20, 10171546), (22, 9246860), (28, 7265390), (35, 5812312), (40, 5085773), (44, 4623430), (55, 3698744), (56, 3632695), (70, 2906156), (77, 2641960), (88, 2311715), (110, 1849372), (140, 1453078), (154, 1320980), (220, 924686), (257, 791560), (280, 726539), (308, 660490), (385, 528392), (440, 462343), (514, 395780), (616, 330245), (770, 264196), (1028, 197890), (1285, 158312), (1540, 132098), (1799, 113080), (2056, 98945), (2570, 79156), (2827, 71960), (3080, 66049), (3598, 56540), (5140, 39578), (5654, 35980), (7196, 28270), (8995, 22616), (10280, 19789), (11308, 17990), (14135, 14392)]