291170240

素因数分解:

$2^6\times 5^1\times {\mathrm{909907}}^1$

素因数の和:909924

約数の個数: 28

約数和(自身を含む): 693349896

約数和(自身を除く): 402179656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 909907, 1819814, 3639628, 4549535, 7279256, 9099070, 14558512, 18198140, 29117024, 36396280, 58234048, 72792560, 145585120, 291170240]

約数ペア:

[(1, 291170240), (2, 145585120), (4, 72792560), (5, 58234048), (8, 36396280), (10, 29117024), (16, 18198140), (20, 14558512), (32, 9099070), (40, 7279256), (64, 4549535), (80, 3639628), (160, 1819814), (320, 909907)]