220191860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1572799}}^1$

素因数の和:1572815

約数の個数: 24

約数和(自身を含む): 528460800

約数和(自身を除く): 308268940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1572799, 3145598, 6291196, 7863995, 11009593, 15727990, 22019186, 31455980, 44038372, 55047965, 110095930, 220191860]

約数ペア:

[(1, 220191860), (2, 110095930), (4, 55047965), (5, 44038372), (7, 31455980), (10, 22019186), (14, 15727990), (20, 11009593), (28, 7863995), (35, 6291196), (70, 3145598), (140, 1572799)]