287079790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{8377}}^1$

素因数の和:8556

約数の個数: 32

約数和(自身を含む): 542894400

約数和(自身を除く): 255814610

約数列:

[1, 2, 5, 10, 23, 46, 115, 149, 230, 298, 745, 1490, 3427, 6854, 8377, 16754, 17135, 34270, 41885, 83770, 192671, 385342, 963355, 1248173, 1926710, 2496346, 6240865, 12481730, 28707979, 57415958, 143539895, 287079790]

約数ペア:

[(1, 287079790), (2, 143539895), (5, 57415958), (10, 28707979), (23, 12481730), (46, 6240865), (115, 2496346), (149, 1926710), (230, 1248173), (298, 963355), (745, 385342), (1490, 192671), (3427, 83770), (6854, 41885), (8377, 34270), (16754, 17135)]