78669290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{2503}}^1$

素因数の和:2966

約数の個数: 32

約数和(自身を含む): 162259200

約数和(自身を除く): 83589910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 449, 898, 2245, 2503, 3143, 4490, 5006, 6286, 12515, 15715, 17521, 25030, 31430, 35042, 87605, 175210, 1123847, 2247694, 5619235, 7866929, 11238470, 15733858, 39334645, 78669290]

約数ペア:

[(1, 78669290), (2, 39334645), (5, 15733858), (7, 11238470), (10, 7866929), (14, 5619235), (35, 2247694), (70, 1123847), (449, 175210), (898, 87605), (2245, 35042), (2503, 31430), (3143, 25030), (4490, 17521), (5006, 15715), (6286, 12515)]