194664520

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{17569}}^1$

素因数の和:17857

約数の個数: 32

約数和(自身を含む): 439601400

約数和(自身を除く): 244936880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 17569, 35138, 70276, 87845, 140552, 175690, 351380, 702760, 4866613, 9733226, 19466452, 24333065, 38932904, 48666130, 97332260, 194664520]

約数ペア:

[(1, 194664520), (2, 97332260), (4, 48666130), (5, 38932904), (8, 24333065), (10, 19466452), (20, 9733226), (40, 4866613), (277, 702760), (554, 351380), (1108, 175690), (1385, 140552), (2216, 87845), (2770, 70276), (5540, 35138), (11080, 17569)]