187840520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13691}}^1$

素因数の和:13723

約数の個数: 64

約数和(自身を含む): 492912000

約数和(自身を除く): 305071480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13691, 13720, 27382, 54764, 68455, 95837, 109528, 136910, 191674, 273820, 383348, 479185, 547640, 670859, 766696, 958370, 1341718, 1916740, 2683436, 3354295, 3833480, 4696013, 5366872, 6708590, 9392026, 13417180, 18784052, 23480065, 26834360, 37568104, 46960130, 93920260, 187840520]

約数ペア:

[(1, 187840520), (2, 93920260), (4, 46960130), (5, 37568104), (7, 26834360), (8, 23480065), (10, 18784052), (14, 13417180), (20, 9392026), (28, 6708590), (35, 5366872), (40, 4696013), (49, 3833480), (56, 3354295), (70, 2683436), (98, 1916740), (140, 1341718), (196, 958370), (245, 766696), (280, 670859), (343, 547640), (392, 479185), (490, 383348), (686, 273820), (980, 191674), (1372, 136910), (1715, 109528), (1960, 95837), (2744, 68455), (3430, 54764), (6860, 27382), (13691, 13720)]