129638320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{33071}}^1$

素因数の和:33098

約数の個数: 60

約数和(自身を含む): 350629344

約数和(自身を除く): 220991024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 33071, 66142, 132284, 165355, 231497, 264568, 330710, 462994, 529136, 661420, 925988, 1157485, 1322840, 1620479, 1851976, 2314970, 2645680, 3240958, 3703952, 4629940, 6481916, 8102395, 9259880, 12963832, 16204790, 18519760, 25927664, 32409580, 64819160, 129638320]

約数ペア:

[(1, 129638320), (2, 64819160), (4, 32409580), (5, 25927664), (7, 18519760), (8, 16204790), (10, 12963832), (14, 9259880), (16, 8102395), (20, 6481916), (28, 4629940), (35, 3703952), (40, 3240958), (49, 2645680), (56, 2314970), (70, 1851976), (80, 1620479), (98, 1322840), (112, 1157485), (140, 925988), (196, 661420), (245, 529136), (280, 462994), (392, 330710), (490, 264568), (560, 231497), (784, 165355), (980, 132284), (1960, 66142), (3920, 33071)]