212911580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1051}}^1\times {\mathrm{1447}}^1$

素因数の和:2514

約数の個数: 48

約数和(自身を含む): 511827456

約数和(自身を除く): 298915876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1051, 1447, 2102, 2894, 4204, 5255, 5788, 7235, 7357, 10129, 10510, 14470, 14714, 20258, 21020, 28940, 29428, 36785, 40516, 50645, 73570, 101290, 147140, 202580, 1520797, 3041594, 6083188, 7603985, 10645579, 15207970, 21291158, 30415940, 42582316, 53227895, 106455790, 212911580]

約数ペア:

[(1, 212911580), (2, 106455790), (4, 53227895), (5, 42582316), (7, 30415940), (10, 21291158), (14, 15207970), (20, 10645579), (28, 7603985), (35, 6083188), (70, 3041594), (140, 1520797), (1051, 202580), (1447, 147140), (2102, 101290), (2894, 73570), (4204, 50645), (5255, 40516), (5788, 36785), (7235, 29428), (7357, 28940), (10129, 21020), (10510, 20258), (14470, 14714)]