8148700

素因数分解:

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

素因数の和:1691

約数の個数: 54

約数和(自身を含む): 20582016

約数和(自身を除く): 12433316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 1663, 2450, 3326, 4900, 6652, 8315, 11641, 16630, 23282, 33260, 41575, 46564, 58205, 81487, 83150, 116410, 162974, 166300, 232820, 291025, 325948, 407435, 582050, 814870, 1164100, 1629740, 2037175, 4074350, 8148700]

約数ペア:

[(1, 8148700), (2, 4074350), (4, 2037175), (5, 1629740), (7, 1164100), (10, 814870), (14, 582050), (20, 407435), (25, 325948), (28, 291025), (35, 232820), (49, 166300), (50, 162974), (70, 116410), (98, 83150), (100, 81487), (140, 58205), (175, 46564), (196, 41575), (245, 33260), (350, 23282), (490, 16630), (700, 11641), (980, 8315), (1225, 6652), (1663, 4900), (2450, 3326)]