78554140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{561101}}^1$

素因数の和:561117

約数の個数: 24

約数和(自身を含む): 188530272

約数和(自身を除く): 109976132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 561101, 1122202, 2244404, 2805505, 3927707, 5611010, 7855414, 11222020, 15710828, 19638535, 39277070, 78554140]

約数ペア:

[(1, 78554140), (2, 39277070), (4, 19638535), (5, 15710828), (7, 11222020), (10, 7855414), (14, 5611010), (20, 3927707), (28, 2805505), (35, 2244404), (70, 1122202), (140, 561101)]