212436140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1517401}}^1$

素因数の和:1517417

約数の個数: 24

約数和(自身を含む): 509847072

約数和(自身を除く): 297410932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1517401, 3034802, 6069604, 7587005, 10621807, 15174010, 21243614, 30348020, 42487228, 53109035, 106218070, 212436140]

約数ペア:

[(1, 212436140), (2, 106218070), (4, 53109035), (5, 42487228), (7, 30348020), (10, 21243614), (14, 15174010), (20, 10621807), (28, 7587005), (35, 6069604), (70, 3034802), (140, 1517401)]