51270220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{491}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 113073408

約数和(自身を除く): 61803188

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 227, 230, 454, 460, 491, 908, 982, 1135, 1964, 2270, 2455, 4540, 4910, 5221, 9820, 10442, 11293, 20884, 22586, 26105, 45172, 52210, 56465, 104420, 111457, 112930, 222914, 225860, 445828, 557285, 1114570, 2229140, 2563511, 5127022, 10254044, 12817555, 25635110, 51270220]

約数ペア:

[(1, 51270220), (2, 25635110), (4, 12817555), (5, 10254044), (10, 5127022), (20, 2563511), (23, 2229140), (46, 1114570), (92, 557285), (115, 445828), (227, 225860), (230, 222914), (454, 112930), (460, 111457), (491, 104420), (908, 56465), (982, 52210), (1135, 45172), (1964, 26105), (2270, 22586), (2455, 20884), (4540, 11293), (4910, 10442), (5221, 9820)]