339914480

素因数分解:

$2^4\times 5^1\times {\mathrm{4248931}}^1$

素因数の和:4248944

約数の個数: 20

約数和(自身を含む): 790301352

約数和(自身を除く): 450386872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4248931, 8497862, 16995724, 21244655, 33991448, 42489310, 67982896, 84978620, 169957240, 339914480]

約数ペア:

[(1, 339914480), (2, 169957240), (4, 84978620), (5, 67982896), (8, 42489310), (10, 33991448), (16, 21244655), (20, 16995724), (40, 8497862), (80, 4248931)]