286900520

素因数分解:

$2^3\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{4817}}^1$

素因数の和:6317

約数の個数: 32

約数和(自身を含む): 646093800

約数和(自身を除く): 359193280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1489, 2978, 4817, 5956, 7445, 9634, 11912, 14890, 19268, 24085, 29780, 38536, 48170, 59560, 96340, 192680, 7172513, 14345026, 28690052, 35862565, 57380104, 71725130, 143450260, 286900520]

約数ペア:

[(1, 286900520), (2, 143450260), (4, 71725130), (5, 57380104), (8, 35862565), (10, 28690052), (20, 14345026), (40, 7172513), (1489, 192680), (2978, 96340), (4817, 59560), (5956, 48170), (7445, 38536), (9634, 29780), (11912, 24085), (14890, 19268)]