69320020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{45013}}^1$

素因数の和:45040

約数の個数: 48

約数和(自身を含む): 181496448

約数和(自身を除く): 112176428

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 45013, 90026, 180052, 225065, 315091, 450130, 495143, 630182, 900260, 990286, 1260364, 1575455, 1980572, 2475715, 3150910, 3466001, 4951430, 6301820, 6932002, 9902860, 13864004, 17330005, 34660010, 69320020]

約数ペア:

[(1, 69320020), (2, 34660010), (4, 17330005), (5, 13864004), (7, 9902860), (10, 6932002), (11, 6301820), (14, 4951430), (20, 3466001), (22, 3150910), (28, 2475715), (35, 1980572), (44, 1575455), (55, 1260364), (70, 990286), (77, 900260), (110, 630182), (140, 495143), (154, 450130), (220, 315091), (308, 225065), (385, 180052), (770, 90026), (1540, 45013)]