200665600

素因数分解:

$2^9\times 5^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:346

約数の個数: 120

約数和(自身を含む): 507281148

約数和(自身を除く): 306615548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 128, 160, 200, 244, 256, 257, 305, 320, 400, 488, 512, 514, 610, 640, 800, 976, 1028, 1220, 1280, 1285, 1525, 1600, 1952, 2056, 2440, 2560, 2570, 3050, 3200, 3904, 4112, 4880, 5140, 6100, 6400, 6425, 7808, 8224, 9760, 10280, 12200, 12800, 12850, 15616, 15677, 16448, 19520, 20560, 24400, 25700, 31232, 31354, 32896, 39040, 41120, 48800, 51400, 62708, 65792, 78080, 78385, 82240, 97600, 102800, 125416, 131584, 156160, 156770, 164480, 195200, 205600, 250832, 313540, 328960, 390400, 391925, 411200, 501664, 627080, 657920, 780800, 783850, 822400, 1003328, 1254160, 1567700, 1644800, 2006656, 2508320, 3135400, 3289600, 4013312, 5016640, 6270800, 8026624, 10033280, 12541600, 20066560, 25083200, 40133120, 50166400, 100332800, 200665600]

約数ペア:

[(1, 200665600), (2, 100332800), (4, 50166400), (5, 40133120), (8, 25083200), (10, 20066560), (16, 12541600), (20, 10033280), (25, 8026624), (32, 6270800), (40, 5016640), (50, 4013312), (61, 3289600), (64, 3135400), (80, 2508320), (100, 2006656), (122, 1644800), (128, 1567700), (160, 1254160), (200, 1003328), (244, 822400), (256, 783850), (257, 780800), (305, 657920), (320, 627080), (400, 501664), (488, 411200), (512, 391925), (514, 390400), (610, 328960), (640, 313540), (800, 250832), (976, 205600), (1028, 195200), (1220, 164480), (1280, 156770), (1285, 156160), (1525, 131584), (1600, 125416), (1952, 102800), (2056, 97600), (2440, 82240), (2560, 78385), (2570, 78080), (3050, 65792), (3200, 62708), (3904, 51400), (4112, 48800), (4880, 41120), (5140, 39040), (6100, 32896), (6400, 31354), (6425, 31232), (7808, 25700), (8224, 24400), (9760, 20560), (10280, 19520), (12200, 16448), (12800, 15677), (12850, 15616)]