40199348

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 82946304

約数和(自身を除く): 42746956

約数列:

[1, 2, 4, 7, 14, 28, 71, 73, 142, 146, 277, 284, 292, 497, 511, 554, 994, 1022, 1108, 1939, 1988, 2044, 3878, 5183, 7756, 10366, 19667, 20221, 20732, 36281, 39334, 40442, 72562, 78668, 80884, 137669, 141547, 145124, 275338, 283094, 550676, 566188, 1435691, 2871382, 5742764, 10049837, 20099674, 40199348]

約数ペア:

[(1, 40199348), (2, 20099674), (4, 10049837), (7, 5742764), (14, 2871382), (28, 1435691), (71, 566188), (73, 550676), (142, 283094), (146, 275338), (277, 145124), (284, 141547), (292, 137669), (497, 80884), (511, 78668), (554, 72562), (994, 40442), (1022, 39334), (1108, 36281), (1939, 20732), (1988, 20221), (2044, 19667), (3878, 10366), (5183, 7756)]