1457140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1777}}^1$

素因数の和:1827

約数の個数: 24

約数和(自身を含む): 3136392

約数和(自身を除く): 1679252

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1777, 3554, 7108, 8885, 17770, 35540, 72857, 145714, 291428, 364285, 728570, 1457140]

約数ペア:

[(1, 1457140), (2, 728570), (4, 364285), (5, 291428), (10, 145714), (20, 72857), (41, 35540), (82, 17770), (164, 8885), (205, 7108), (410, 3554), (820, 1777)]