1490815970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{21297371}}^1$

素因数の和:21297385

約数の個数: 16

約数和(自身を含む): 3066821568

約数和(自身を除く): 1576005598

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 21297371, 42594742, 106486855, 149081597, 212973710, 298163194, 745407985, 1490815970]

約数ペア:

[(1, 1490815970), (2, 745407985), (5, 298163194), (7, 212973710), (10, 149081597), (14, 106486855), (35, 42594742), (70, 21297371)]