51819740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21773}}^1$

素因数の和:21806

約数の個数: 48

約数和(自身を含む): 131689152

約数和(自身を除く): 79869412

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 21773, 43546, 87092, 108865, 152411, 217730, 304822, 370141, 435460, 609644, 740282, 762055, 1480564, 1524110, 1850705, 2590987, 3048220, 3701410, 5181974, 7402820, 10363948, 12954935, 25909870, 51819740]

約数ペア:

[(1, 51819740), (2, 25909870), (4, 12954935), (5, 10363948), (7, 7402820), (10, 5181974), (14, 3701410), (17, 3048220), (20, 2590987), (28, 1850705), (34, 1524110), (35, 1480564), (68, 762055), (70, 740282), (85, 609644), (119, 435460), (140, 370141), (170, 304822), (238, 217730), (340, 152411), (476, 108865), (595, 87092), (1190, 43546), (2380, 21773)]