247904000

素因数分解:

$2^8\times 5^3\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 632626176

約数和(自身を除く): 384722176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 125, 127, 128, 160, 200, 244, 250, 254, 256, 305, 320, 400, 488, 500, 508, 610, 635, 640, 800, 976, 1000, 1016, 1220, 1270, 1280, 1525, 1600, 1952, 2000, 2032, 2440, 2540, 3050, 3175, 3200, 3904, 4000, 4064, 4880, 5080, 6100, 6350, 6400, 7625, 7747, 7808, 8000, 8128, 9760, 10160, 12200, 12700, 15250, 15494, 15616, 15875, 16000, 16256, 19520, 20320, 24400, 25400, 30500, 30988, 31750, 32000, 32512, 38735, 39040, 40640, 48800, 50800, 61000, 61976, 63500, 77470, 78080, 81280, 97600, 101600, 122000, 123952, 127000, 154940, 162560, 193675, 195200, 203200, 244000, 247904, 254000, 309880, 387350, 390400, 406400, 488000, 495808, 508000, 619760, 774700, 812800, 968375, 976000, 991616, 1016000, 1239520, 1549400, 1936750, 1952000, 1983232, 2032000, 2479040, 3098800, 3873500, 4064000, 4958080, 6197600, 7747000, 9916160, 12395200, 15494000, 24790400, 30988000, 49580800, 61976000, 123952000, 247904000]

約数ペア:

[(1, 247904000), (2, 123952000), (4, 61976000), (5, 49580800), (8, 30988000), (10, 24790400), (16, 15494000), (20, 12395200), (25, 9916160), (32, 7747000), (40, 6197600), (50, 4958080), (61, 4064000), (64, 3873500), (80, 3098800), (100, 2479040), (122, 2032000), (125, 1983232), (127, 1952000), (128, 1936750), (160, 1549400), (200, 1239520), (244, 1016000), (250, 991616), (254, 976000), (256, 968375), (305, 812800), (320, 774700), (400, 619760), (488, 508000), (500, 495808), (508, 488000), (610, 406400), (635, 390400), (640, 387350), (800, 309880), (976, 254000), (1000, 247904), (1016, 244000), (1220, 203200), (1270, 195200), (1280, 193675), (1525, 162560), (1600, 154940), (1952, 127000), (2000, 123952), (2032, 122000), (2440, 101600), (2540, 97600), (3050, 81280), (3175, 78080), (3200, 77470), (3904, 63500), (4000, 61976), (4064, 61000), (4880, 50800), (5080, 48800), (6100, 40640), (6350, 39040), (6400, 38735), (7625, 32512), (7747, 32000), (7808, 31750), (8000, 30988), (8128, 30500), (9760, 25400), (10160, 24400), (12200, 20320), (12700, 19520), (15250, 16256), (15494, 16000), (15616, 15875)]