138181750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{281}}^2$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 296685792

約数和(自身を除く): 158504042

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 281, 350, 562, 875, 1405, 1750, 1967, 2810, 3934, 7025, 9835, 14050, 19670, 35125, 49175, 70250, 78961, 98350, 157922, 245875, 394805, 491750, 552727, 789610, 1105454, 1974025, 2763635, 3948050, 5527270, 9870125, 13818175, 19740250, 27636350, 69090875, 138181750]

約数ペア:

[(1, 138181750), (2, 69090875), (5, 27636350), (7, 19740250), (10, 13818175), (14, 9870125), (25, 5527270), (35, 3948050), (50, 2763635), (70, 1974025), (125, 1105454), (175, 789610), (250, 552727), (281, 491750), (350, 394805), (562, 245875), (875, 157922), (1405, 98350), (1750, 78961), (1967, 70250), (2810, 49175), (3934, 35125), (7025, 19670), (9835, 14050)]