211058440

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{9473}}^1$

素因数の和:10041

約数の個数: 32

約数和(自身を含む): 475784280

約数和(自身を除く): 264725840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 2228, 2785, 4456, 5570, 9473, 11140, 18946, 22280, 37892, 47365, 75784, 94730, 189460, 378920, 5276461, 10552922, 21105844, 26382305, 42211688, 52764610, 105529220, 211058440]

約数ペア:

[(1, 211058440), (2, 105529220), (4, 52764610), (5, 42211688), (8, 26382305), (10, 21105844), (20, 10552922), (40, 5276461), (557, 378920), (1114, 189460), (2228, 94730), (2785, 75784), (4456, 47365), (5570, 37892), (9473, 22280), (11140, 18946)]