51777460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5209}}^1$

素因数の和:5296

約数の個数: 48

約数和(自身を含む): 126040320

約数和(自身を除く): 74262860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 5209, 9940, 10418, 20836, 26045, 36463, 52090, 72926, 104180, 145852, 182315, 364630, 369839, 729260, 739678, 1479356, 1849195, 2588873, 3698390, 5177746, 7396780, 10355492, 12944365, 25888730, 51777460]

約数ペア:

[(1, 51777460), (2, 25888730), (4, 12944365), (5, 10355492), (7, 7396780), (10, 5177746), (14, 3698390), (20, 2588873), (28, 1849195), (35, 1479356), (70, 739678), (71, 729260), (140, 369839), (142, 364630), (284, 182315), (355, 145852), (497, 104180), (710, 72926), (994, 52090), (1420, 36463), (1988, 26045), (2485, 20836), (4970, 10418), (5209, 9940)]