28520450

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{1663}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 61900800

約数和(自身を除く): 33380350

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 343, 350, 490, 686, 1225, 1663, 1715, 2450, 3326, 3430, 8315, 8575, 11641, 16630, 17150, 23282, 41575, 58205, 81487, 83150, 116410, 162974, 291025, 407435, 570409, 582050, 814870, 1140818, 2037175, 2852045, 4074350, 5704090, 14260225, 28520450]

約数ペア:

[(1, 28520450), (2, 14260225), (5, 5704090), (7, 4074350), (10, 2852045), (14, 2037175), (25, 1140818), (35, 814870), (49, 582050), (50, 570409), (70, 407435), (98, 291025), (175, 162974), (245, 116410), (343, 83150), (350, 81487), (490, 58205), (686, 41575), (1225, 23282), (1663, 17150), (1715, 16630), (2450, 11641), (3326, 8575), (3430, 8315)]