856736320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{243391}}^1$

素因数の和:243419

約数の個数: 56

約数和(自身を含む): 2225576448

約数和(自身を除く): 1368840128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 243391, 486782, 973564, 1216955, 1947128, 2433910, 2677301, 3894256, 4867820, 5354602, 7788512, 9735640, 10709204, 13386505, 15577024, 19471280, 21418408, 26773010, 38942560, 42836816, 53546020, 77885120, 85673632, 107092040, 171347264, 214184080, 428368160, 856736320]

約数ペア:

[(1, 856736320), (2, 428368160), (4, 214184080), (5, 171347264), (8, 107092040), (10, 85673632), (11, 77885120), (16, 53546020), (20, 42836816), (22, 38942560), (32, 26773010), (40, 21418408), (44, 19471280), (55, 15577024), (64, 13386505), (80, 10709204), (88, 9735640), (110, 7788512), (160, 5354602), (176, 4867820), (220, 3894256), (320, 2677301), (352, 2433910), (440, 1947128), (704, 1216955), (880, 973564), (1760, 486782), (3520, 243391)]