488198740

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{122663}}^1$

素因数の和:122871

約数の個数: 24

約数和(自身を含む): 1030377600

約数和(自身を除く): 542178860

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 122663, 245326, 490652, 613315, 1226630, 2453260, 24409937, 48819874, 97639748, 122049685, 244099370, 488198740]

約数ペア:

[(1, 488198740), (2, 244099370), (4, 122049685), (5, 97639748), (10, 48819874), (20, 24409937), (199, 2453260), (398, 1226630), (796, 613315), (995, 490652), (1990, 245326), (3980, 122663)]