254521220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{1249}}^1$

素因数の和:1724

約数の個数: 48

約数和(自身を含む): 559440000

約数和(自身を除く): 304918780

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 443, 460, 886, 1249, 1772, 2215, 2498, 4430, 4996, 6245, 8860, 10189, 12490, 20378, 24980, 28727, 40756, 50945, 57454, 101890, 114908, 143635, 203780, 287270, 553307, 574540, 1106614, 2213228, 2766535, 5533070, 11066140, 12726061, 25452122, 50904244, 63630305, 127260610, 254521220]

約数ペア:

[(1, 254521220), (2, 127260610), (4, 63630305), (5, 50904244), (10, 25452122), (20, 12726061), (23, 11066140), (46, 5533070), (92, 2766535), (115, 2213228), (230, 1106614), (443, 574540), (460, 553307), (886, 287270), (1249, 203780), (1772, 143635), (2215, 114908), (2498, 101890), (4430, 57454), (4996, 50945), (6245, 40756), (8860, 28727), (10189, 24980), (12490, 20378)]