728528080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{185849}}^1$

素因数の和:185876

約数の個数: 60

約数和(自身を含む): 1970381700

約数和(自身を除く): 1241853620

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, 185849, 371698, 743396, 929245, 1300943, 1486792, 1858490, 2601886, 2973584, 3716980, 5203772, 6504715, 7433960, 9106601, 10407544, 13009430, 14867920, 18213202, 20815088, 26018860, 36426404, 45533005, 52037720, 72852808, 91066010, 104075440, 145705616, 182132020, 364264040, 728528080]

約数ペア:

[(1, 728528080), (2, 364264040), (4, 182132020), (5, 145705616), (7, 104075440), (8, 91066010), (10, 72852808), (14, 52037720), (16, 45533005), (20, 36426404), (28, 26018860), (35, 20815088), (40, 18213202), (49, 14867920), (56, 13009430), (70, 10407544), (80, 9106601), (98, 7433960), (112, 6504715), (140, 5203772), (196, 3716980), (245, 2973584), (280, 2601886), (392, 1858490), (490, 1486792), (560, 1300943), (784, 929245), (980, 743396), (1960, 371698), (3920, 185849)]