438203780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3130027}}^1$

素因数の和:3130043

約数の個数: 24

約数和(自身を含む): 1051689408

約数和(自身を除く): 613485628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3130027, 6260054, 12520108, 15650135, 21910189, 31300270, 43820378, 62600540, 87640756, 109550945, 219101890, 438203780]

約数ペア:

[(1, 438203780), (2, 219101890), (4, 109550945), (5, 87640756), (7, 62600540), (10, 43820378), (14, 31300270), (20, 21910189), (28, 15650135), (35, 12520108), (70, 6260054), (140, 3130027)]