54279820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3557}}^1$

素因数の和:3682

約数の個数: 48

約数和(自身を含む): 131503680

約数和(自身を除く): 77223860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3557, 3815, 7114, 7630, 14228, 15260, 17785, 24899, 35570, 49798, 71140, 99596, 124495, 248990, 387713, 497980, 775426, 1550852, 1938565, 2713991, 3877130, 5427982, 7754260, 10855964, 13569955, 27139910, 54279820]

約数ペア:

[(1, 54279820), (2, 27139910), (4, 13569955), (5, 10855964), (7, 7754260), (10, 5427982), (14, 3877130), (20, 2713991), (28, 1938565), (35, 1550852), (70, 775426), (109, 497980), (140, 387713), (218, 248990), (436, 124495), (545, 99596), (763, 71140), (1090, 49798), (1526, 35570), (2180, 24899), (3052, 17785), (3557, 15260), (3815, 14228), (7114, 7630)]