291220240

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{14503}}^1$

素因数の和:14767

約数の個数: 40

約数和(自身を含む): 679831488

約数和(自身を除く): 388611248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 10040, 14503, 20080, 29006, 58012, 72515, 116024, 145030, 232048, 290060, 580120, 1160240, 3640253, 7280506, 14561012, 18201265, 29122024, 36402530, 58244048, 72805060, 145610120, 291220240]

約数ペア:

[(1, 291220240), (2, 145610120), (4, 72805060), (5, 58244048), (8, 36402530), (10, 29122024), (16, 18201265), (20, 14561012), (40, 7280506), (80, 3640253), (251, 1160240), (502, 580120), (1004, 290060), (1255, 232048), (2008, 145030), (2510, 116024), (4016, 72515), (5020, 58012), (10040, 29006), (14503, 20080)]