197577280

素因数分解:

$2^6\times 5^1\times {\mathrm{617429}}^1$

素因数の和:617446

約数の個数: 28

約数和(自身を含む): 470481660

約数和(自身を除く): 272904380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 617429, 1234858, 2469716, 3087145, 4939432, 6174290, 9878864, 12348580, 19757728, 24697160, 39515456, 49394320, 98788640, 197577280]

約数ペア:

[(1, 197577280), (2, 98788640), (4, 49394320), (5, 39515456), (8, 24697160), (10, 19757728), (16, 12348580), (20, 9878864), (32, 6174290), (40, 4939432), (64, 3087145), (80, 2469716), (160, 1234858), (320, 617429)]