320420128

素因数分解:

$2^5\times 7^1\times {\mathrm{443}}^1\times {\mathrm{3229}}^1$

素因数の和:3689

約数の個数: 48

約数和(自身を含む): 722796480

約数和(自身を除く): 402376352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 443, 886, 1772, 3101, 3229, 3544, 6202, 6458, 7088, 12404, 12916, 14176, 22603, 24808, 25832, 45206, 49616, 51664, 90412, 99232, 103328, 180824, 361648, 723296, 1430447, 2860894, 5721788, 10013129, 11443576, 20026258, 22887152, 40052516, 45774304, 80105032, 160210064, 320420128]

約数ペア:

[(1, 320420128), (2, 160210064), (4, 80105032), (7, 45774304), (8, 40052516), (14, 22887152), (16, 20026258), (28, 11443576), (32, 10013129), (56, 5721788), (112, 2860894), (224, 1430447), (443, 723296), (886, 361648), (1772, 180824), (3101, 103328), (3229, 99232), (3544, 90412), (6202, 51664), (6458, 49616), (7088, 45206), (12404, 25832), (12916, 24808), (14176, 22603)]