2744980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2801}}^1$

素因数の和:2824

約数の個数: 36

約数和(自身を含む): 6707988

約数和(自身を除く): 3963008

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2801, 5602, 11204, 14005, 19607, 28010, 39214, 56020, 78428, 98035, 137249, 196070, 274498, 392140, 548996, 686245, 1372490, 2744980]

約数ペア:

[(1, 2744980), (2, 1372490), (4, 686245), (5, 548996), (7, 392140), (10, 274498), (14, 196070), (20, 137249), (28, 98035), (35, 78428), (49, 56020), (70, 39214), (98, 28010), (140, 19607), (196, 14005), (245, 11204), (490, 5602), (980, 2801)]