214926280

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{21407}}^1$

素因数の和:21669

約数の個数: 32

約数和(自身を含む): 485533440

約数和(自身を除く): 270607160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 21407, 42814, 85628, 107035, 171256, 214070, 428140, 856280, 5373157, 10746314, 21492628, 26865785, 42985256, 53731570, 107463140, 214926280]

約数ペア:

[(1, 214926280), (2, 107463140), (4, 53731570), (5, 42985256), (8, 26865785), (10, 21492628), (20, 10746314), (40, 5373157), (251, 856280), (502, 428140), (1004, 214070), (1255, 171256), (2008, 107035), (2510, 85628), (5020, 42814), (10040, 21407)]