2745680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4903}}^1$

素因数の和:4923

約数の個数: 40

約数和(自身を含む): 7297152

約数和(自身を除く): 4551472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4903, 9806, 19612, 24515, 34321, 39224, 49030, 68642, 78448, 98060, 137284, 171605, 196120, 274568, 343210, 392240, 549136, 686420, 1372840, 2745680]

約数ペア:

[(1, 2745680), (2, 1372840), (4, 686420), (5, 549136), (7, 392240), (8, 343210), (10, 274568), (14, 196120), (16, 171605), (20, 137284), (28, 98060), (35, 78448), (40, 68642), (56, 49030), (70, 39224), (80, 34321), (112, 24515), (140, 19612), (280, 9806), (560, 4903)]