64784860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{66107}}^1$

素因数の和:66130

約数の個数: 36

約数和(自身を含む): 158262552

約数和(自身を除く): 93477692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 66107, 132214, 264428, 330535, 462749, 661070, 925498, 1322140, 1850996, 2313745, 3239243, 4627490, 6478486, 9254980, 12956972, 16196215, 32392430, 64784860]

約数ペア:

[(1, 64784860), (2, 32392430), (4, 16196215), (5, 12956972), (7, 9254980), (10, 6478486), (14, 4627490), (20, 3239243), (28, 2313745), (35, 1850996), (49, 1322140), (70, 925498), (98, 661070), (140, 462749), (196, 330535), (245, 264428), (490, 132214), (980, 66107)]