139106680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{487}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 323778240

約数和(自身を除く): 184671560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 193, 296, 370, 386, 487, 740, 772, 965, 974, 1480, 1544, 1930, 1948, 2435, 3860, 3896, 4870, 7141, 7720, 9740, 14282, 18019, 19480, 28564, 35705, 36038, 57128, 71410, 72076, 90095, 93991, 142820, 144152, 180190, 187982, 285640, 360380, 375964, 469955, 720760, 751928, 939910, 1879820, 3477667, 3759640, 6955334, 13910668, 17388335, 27821336, 34776670, 69553340, 139106680]

約数ペア:

[(1, 139106680), (2, 69553340), (4, 34776670), (5, 27821336), (8, 17388335), (10, 13910668), (20, 6955334), (37, 3759640), (40, 3477667), (74, 1879820), (148, 939910), (185, 751928), (193, 720760), (296, 469955), (370, 375964), (386, 360380), (487, 285640), (740, 187982), (772, 180190), (965, 144152), (974, 142820), (1480, 93991), (1544, 90095), (1930, 72076), (1948, 71410), (2435, 57128), (3860, 36038), (3896, 35705), (4870, 28564), (7141, 19480), (7720, 18019), (9740, 14282)]