247103680

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12659}}^1$

素因数の和:12737

約数の個数: 56

約数和(自身を含む): 598109040

約数和(自身を除く): 351005360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 9760, 12659, 19520, 25318, 50636, 63295, 101272, 126590, 202544, 253180, 405088, 506360, 772199, 810176, 1012720, 1544398, 2025440, 3088796, 3860995, 4050880, 6177592, 7721990, 12355184, 15443980, 24710368, 30887960, 49420736, 61775920, 123551840, 247103680]

約数ペア:

[(1, 247103680), (2, 123551840), (4, 61775920), (5, 49420736), (8, 30887960), (10, 24710368), (16, 15443980), (20, 12355184), (32, 7721990), (40, 6177592), (61, 4050880), (64, 3860995), (80, 3088796), (122, 2025440), (160, 1544398), (244, 1012720), (305, 810176), (320, 772199), (488, 506360), (610, 405088), (976, 253180), (1220, 202544), (1952, 126590), (2440, 101272), (3904, 63295), (4880, 50636), (9760, 25318), (12659, 19520)]