198454720

素因数分解:

$2^6\times 5^1\times {\mathrm{620171}}^1$

素因数の和:620188

約数の個数: 28

約数和(自身を含む): 472571064

約数和(自身を除く): 274116344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 620171, 1240342, 2480684, 3100855, 4961368, 6201710, 9922736, 12403420, 19845472, 24806840, 39690944, 49613680, 99227360, 198454720]

約数ペア:

[(1, 198454720), (2, 99227360), (4, 49613680), (5, 39690944), (8, 24806840), (10, 19845472), (16, 12403420), (20, 9922736), (32, 6201710), (40, 4961368), (64, 3100855), (80, 2480684), (160, 1240342), (320, 620171)]