28337940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157433}}^1$

素因数の和:157448

約数の個数: 36

約数和(自身を含む): 85958964

約数和(自身を除く): 57621024

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 157433, 314866, 472299, 629732, 787165, 944598, 1416897, 1574330, 1889196, 2361495, 2833794, 3148660, 4722990, 5667588, 7084485, 9445980, 14168970, 28337940]

約数ペア:

[(1, 28337940), (2, 14168970), (3, 9445980), (4, 7084485), (5, 5667588), (6, 4722990), (9, 3148660), (10, 2833794), (12, 2361495), (15, 1889196), (18, 1574330), (20, 1416897), (30, 944598), (36, 787165), (45, 629732), (60, 472299), (90, 314866), (180, 157433)]