208339520

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28307}}^1$

素因数の和:28347

約数の個数: 56

約数和(自身を含む): 517696704

約数和(自身を除く): 309357184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 3680, 7360, 28307, 56614, 113228, 141535, 226456, 283070, 452912, 566140, 651061, 905824, 1132280, 1302122, 1811648, 2264560, 2604244, 3255305, 4529120, 5208488, 6510610, 9058240, 10416976, 13021220, 20833952, 26042440, 41667904, 52084880, 104169760, 208339520]

約数ペア:

[(1, 208339520), (2, 104169760), (4, 52084880), (5, 41667904), (8, 26042440), (10, 20833952), (16, 13021220), (20, 10416976), (23, 9058240), (32, 6510610), (40, 5208488), (46, 4529120), (64, 3255305), (80, 2604244), (92, 2264560), (115, 1811648), (160, 1302122), (184, 1132280), (230, 905824), (320, 651061), (368, 566140), (460, 452912), (736, 283070), (920, 226456), (1472, 141535), (1840, 113228), (3680, 56614), (7360, 28307)]