109900400

素因数分解:

$2^4\times 5^2\times {\mathrm{274751}}^1$

素因数の和:274769

約数の個数: 30

約数和(自身を含む): 264036672

約数和(自身を除く): 154136272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 274751, 549502, 1099004, 1373755, 2198008, 2747510, 4396016, 5495020, 6868775, 10990040, 13737550, 21980080, 27475100, 54950200, 109900400]

約数ペア:

[(1, 109900400), (2, 54950200), (4, 27475100), (5, 21980080), (8, 13737550), (10, 10990040), (16, 6868775), (20, 5495020), (25, 4396016), (40, 2747510), (50, 2198008), (80, 1373755), (100, 1099004), (200, 549502), (400, 274751)]