149306680

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{5647}}^1$

素因数の和:6319

約数の個数: 32

約数和(自身を含む): 336507840

約数和(自身を除く): 187201160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2644, 3305, 5288, 5647, 6610, 11294, 13220, 22588, 26440, 28235, 45176, 56470, 112940, 225880, 3732667, 7465334, 14930668, 18663335, 29861336, 37326670, 74653340, 149306680]

約数ペア:

[(1, 149306680), (2, 74653340), (4, 37326670), (5, 29861336), (8, 18663335), (10, 14930668), (20, 7465334), (40, 3732667), (661, 225880), (1322, 112940), (2644, 56470), (3305, 45176), (5288, 28235), (5647, 26440), (6610, 22588), (11294, 13220)]