1555490020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11110643}}^1$

素因数の和:11110659

約数の個数: 24

約数和(自身を含む): 3733176384

約数和(自身を除く): 2177686364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11110643, 22221286, 44442572, 55553215, 77774501, 111106430, 155549002, 222212860, 311098004, 388872505, 777745010, 1555490020]

約数ペア:

[(1, 1555490020), (2, 777745010), (4, 388872505), (5, 311098004), (7, 222212860), (10, 155549002), (14, 111106430), (20, 77774501), (28, 55553215), (35, 44442572), (70, 22221286), (140, 11110643)]