394741660

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{270371}}^1$

素因数の和:270453

約数の個数: 24

約数和(自身を含む): 840316176

約数和(自身を除く): 445574516

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 270371, 540742, 1081484, 1351855, 2703710, 5407420, 19737083, 39474166, 78948332, 98685415, 197370830, 394741660]

約数ペア:

[(1, 394741660), (2, 197370830), (4, 98685415), (5, 78948332), (10, 39474166), (20, 19737083), (73, 5407420), (146, 2703710), (292, 1351855), (365, 1081484), (730, 540742), (1460, 270371)]