89634860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{640249}}^1$

素因数の和:640265

約数の個数: 24

約数和(自身を含む): 215124000

約数和(自身を除く): 125489140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 640249, 1280498, 2560996, 3201245, 4481743, 6402490, 8963486, 12804980, 17926972, 22408715, 44817430, 89634860]

約数ペア:

[(1, 89634860), (2, 44817430), (4, 22408715), (5, 17926972), (7, 12804980), (10, 8963486), (14, 6402490), (20, 4481743), (28, 3201245), (35, 2560996), (70, 1280498), (140, 640249)]