54278980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{387707}}^1$

素因数の和:387723

約数の個数: 24

約数和(自身を含む): 130269888

約数和(自身を除く): 75990908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 387707, 775414, 1550828, 1938535, 2713949, 3877070, 5427898, 7754140, 10855796, 13569745, 27139490, 54278980]

約数ペア:

[(1, 54278980), (2, 27139490), (4, 13569745), (5, 10855796), (7, 7754140), (10, 5427898), (14, 3877070), (20, 2713949), (28, 1938535), (35, 1550828), (70, 775414), (140, 387707)]