801251780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{7057}}^1$

素因数の和:7884

約数の個数: 48

約数和(自身を含む): 1925648256

約数和(自身を除く): 1124396476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 811, 1622, 3244, 4055, 5677, 7057, 8110, 11354, 14114, 16220, 22708, 28228, 28385, 35285, 49399, 56770, 70570, 98798, 113540, 141140, 197596, 246995, 493990, 987980, 5723227, 11446454, 22892908, 28616135, 40062589, 57232270, 80125178, 114464540, 160250356, 200312945, 400625890, 801251780]

約数ペア:

[(1, 801251780), (2, 400625890), (4, 200312945), (5, 160250356), (7, 114464540), (10, 80125178), (14, 57232270), (20, 40062589), (28, 28616135), (35, 22892908), (70, 11446454), (140, 5723227), (811, 987980), (1622, 493990), (3244, 246995), (4055, 197596), (5677, 141140), (7057, 113540), (8110, 98798), (11354, 70570), (14114, 56770), (16220, 49399), (22708, 35285), (28228, 28385)]