198529480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{261223}}^1$

素因数の和:261253

約数の個数: 32

約数和(自身を含む): 470203200

約数和(自身を除く): 271673720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 261223, 522446, 1044892, 1306115, 2089784, 2612230, 4963237, 5224460, 9926474, 10448920, 19852948, 24816185, 39705896, 49632370, 99264740, 198529480]

約数ペア:

[(1, 198529480), (2, 99264740), (4, 49632370), (5, 39705896), (8, 24816185), (10, 19852948), (19, 10448920), (20, 9926474), (38, 5224460), (40, 4963237), (76, 2612230), (95, 2089784), (152, 1306115), (190, 1044892), (380, 522446), (760, 261223)]