4996040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{2549}}^1$

素因数の和:2574

約数の個数: 48

約数和(自身を含む): 13081500

約数和(自身を除く): 8085460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 2549, 5098, 10196, 12745, 17843, 20392, 25490, 35686, 50980, 71372, 89215, 101960, 124901, 142744, 178430, 249802, 356860, 499604, 624505, 713720, 999208, 1249010, 2498020, 4996040]

約数ペア:

[(1, 4996040), (2, 2498020), (4, 1249010), (5, 999208), (7, 713720), (8, 624505), (10, 499604), (14, 356860), (20, 249802), (28, 178430), (35, 142744), (40, 124901), (49, 101960), (56, 89215), (70, 71372), (98, 50980), (140, 35686), (196, 25490), (245, 20392), (280, 17843), (392, 12745), (490, 10196), (980, 5098), (1960, 2549)]