218095220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1557823}}^1$

素因数の和:1557839

約数の個数: 24

約数和(自身を含む): 523428864

約数和(自身を除く): 305333644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1557823, 3115646, 6231292, 7789115, 10904761, 15578230, 21809522, 31156460, 43619044, 54523805, 109047610, 218095220]

約数ペア:

[(1, 218095220), (2, 109047610), (4, 54523805), (5, 43619044), (7, 31156460), (10, 21809522), (14, 15578230), (20, 10904761), (28, 7789115), (35, 6231292), (70, 3115646), (140, 1557823)]