278316820

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{24371}}^1$

素因数の和:24951

約数の個数: 24

約数和(自身を含む): 585512928

約数和(自身を除く): 307196108

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 24371, 48742, 97484, 121855, 243710, 487420, 13915841, 27831682, 55663364, 69579205, 139158410, 278316820]

約数ペア:

[(1, 278316820), (2, 139158410), (4, 69579205), (5, 55663364), (10, 27831682), (20, 13915841), (571, 487420), (1142, 243710), (2284, 121855), (2855, 97484), (5710, 48742), (11420, 24371)]