54018220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 116424000

約数和(自身を除く): 62405780

約数列:

[1, 2, 4, 5, 10, 20, 71, 109, 142, 218, 284, 349, 355, 436, 545, 698, 710, 1090, 1396, 1420, 1745, 2180, 3490, 6980, 7739, 15478, 24779, 30956, 38041, 38695, 49558, 76082, 77390, 99116, 123895, 152164, 154780, 190205, 247790, 380410, 495580, 760820, 2700911, 5401822, 10803644, 13504555, 27009110, 54018220]

約数ペア:

[(1, 54018220), (2, 27009110), (4, 13504555), (5, 10803644), (10, 5401822), (20, 2700911), (71, 760820), (109, 495580), (142, 380410), (218, 247790), (284, 190205), (349, 154780), (355, 152164), (436, 123895), (545, 99116), (698, 77390), (710, 76082), (1090, 49558), (1396, 38695), (1420, 38041), (1745, 30956), (2180, 24779), (3490, 15478), (6980, 7739)]