207256960

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2971}}^1$

素因数の和:3099

約数の個数: 64

約数和(自身を含む): 500187600

約数和(自身を除く): 292930640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 545, 640, 872, 1090, 1744, 2180, 2971, 3488, 4360, 5942, 6976, 8720, 11884, 13952, 14855, 17440, 23768, 29710, 34880, 47536, 59420, 69760, 95072, 118840, 190144, 237680, 323839, 380288, 475360, 647678, 950720, 1295356, 1619195, 1901440, 2590712, 3238390, 5181424, 6476780, 10362848, 12953560, 20725696, 25907120, 41451392, 51814240, 103628480, 207256960]

約数ペア:

[(1, 207256960), (2, 103628480), (4, 51814240), (5, 41451392), (8, 25907120), (10, 20725696), (16, 12953560), (20, 10362848), (32, 6476780), (40, 5181424), (64, 3238390), (80, 2590712), (109, 1901440), (128, 1619195), (160, 1295356), (218, 950720), (320, 647678), (436, 475360), (545, 380288), (640, 323839), (872, 237680), (1090, 190144), (1744, 118840), (2180, 95072), (2971, 69760), (3488, 59420), (4360, 47536), (5942, 34880), (6976, 29710), (8720, 23768), (11884, 17440), (13952, 14855)]