98100400

素因数分解:

$2^4\times 5^2\times {\mathrm{245251}}^1$

素因数の和:245269

約数の個数: 30

約数和(自身を含む): 235687172

約数和(自身を除く): 137586772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 245251, 490502, 981004, 1226255, 1962008, 2452510, 3924016, 4905020, 6131275, 9810040, 12262550, 19620080, 24525100, 49050200, 98100400]

約数ペア:

[(1, 98100400), (2, 49050200), (4, 24525100), (5, 19620080), (8, 12262550), (10, 9810040), (16, 6131275), (20, 4905020), (25, 3924016), (40, 2452510), (50, 1962008), (80, 1226255), (100, 981004), (200, 490502), (400, 245251)]