30721708

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{739}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 56772800

約数和(自身を除く): 26051092

約数列:

[1, 2, 4, 19, 38, 76, 547, 739, 1094, 1478, 2188, 2956, 10393, 14041, 20786, 28082, 41572, 56164, 404233, 808466, 1616932, 7680427, 15360854, 30721708]

約数ペア:

[(1, 30721708), (2, 15360854), (4, 7680427), (19, 1616932), (38, 808466), (76, 404233), (547, 56164), (739, 41572), (1094, 28082), (1478, 20786), (2188, 14041), (2956, 10393)]