249249280

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{1987}}^1$

素因数の和:2024

約数の個数: 120

約数和(自身を含む): 695533608

約数和(自身を除く): 446284328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 1987, 2240, 2560, 3136, 3584, 3920, 3974, 4480, 6272, 7840, 7948, 8960, 9935, 12544, 13909, 15680, 15896, 17920, 19870, 25088, 27818, 31360, 31792, 39740, 55636, 62720, 63584, 69545, 79480, 97363, 111272, 125440, 127168, 139090, 158960, 194726, 222544, 254336, 278180, 317920, 389452, 445088, 486815, 508672, 556360, 635840, 778904, 890176, 973630, 1017344, 1112720, 1271680, 1557808, 1780352, 1947260, 2225440, 2543360, 3115616, 3560704, 3894520, 4450880, 5086720, 6231232, 7121408, 7789040, 8901760, 12462464, 15578080, 17803520, 24924928, 31156160, 35607040, 49849856, 62312320, 124624640, 249249280]

約数ペア:

[(1, 249249280), (2, 124624640), (4, 62312320), (5, 49849856), (7, 35607040), (8, 31156160), (10, 24924928), (14, 17803520), (16, 15578080), (20, 12462464), (28, 8901760), (32, 7789040), (35, 7121408), (40, 6231232), (49, 5086720), (56, 4450880), (64, 3894520), (70, 3560704), (80, 3115616), (98, 2543360), (112, 2225440), (128, 1947260), (140, 1780352), (160, 1557808), (196, 1271680), (224, 1112720), (245, 1017344), (256, 973630), (280, 890176), (320, 778904), (392, 635840), (448, 556360), (490, 508672), (512, 486815), (560, 445088), (640, 389452), (784, 317920), (896, 278180), (980, 254336), (1120, 222544), (1280, 194726), (1568, 158960), (1792, 139090), (1960, 127168), (1987, 125440), (2240, 111272), (2560, 97363), (3136, 79480), (3584, 69545), (3920, 63584), (3974, 62720), (4480, 55636), (6272, 39740), (7840, 31792), (7948, 31360), (8960, 27818), (9935, 25088), (12544, 19870), (13909, 17920), (15680, 15896)]