320419456

素因数分解:

$2^7\times 7^1\times {\mathrm{357611}}^1$

素因数の和:357632

約数の個数: 32

約数和(自身を含む): 729528480

約数和(自身を除く): 409109024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 357611, 715222, 1430444, 2503277, 2860888, 5006554, 5721776, 10013108, 11443552, 20026216, 22887104, 40052432, 45774208, 80104864, 160209728, 320419456]

約数ペア:

[(1, 320419456), (2, 160209728), (4, 80104864), (7, 45774208), (8, 40052432), (14, 22887104), (16, 20026216), (28, 11443552), (32, 10013108), (56, 5721776), (64, 5006554), (112, 2860888), (128, 2503277), (224, 1430444), (448, 715222), (896, 357611)]