201489820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1753}}^1$

素因数の和:2590

約数の個数: 48

約数和(自身を含む): 484440768

約数和(自身を除く): 282950948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 821, 1642, 1753, 3284, 3506, 4105, 5747, 7012, 8210, 8765, 11494, 12271, 16420, 17530, 22988, 24542, 28735, 35060, 49084, 57470, 61355, 114940, 122710, 245420, 1439213, 2878426, 5756852, 7196065, 10074491, 14392130, 20148982, 28784260, 40297964, 50372455, 100744910, 201489820]

約数ペア:

[(1, 201489820), (2, 100744910), (4, 50372455), (5, 40297964), (7, 28784260), (10, 20148982), (14, 14392130), (20, 10074491), (28, 7196065), (35, 5756852), (70, 2878426), (140, 1439213), (821, 245420), (1642, 122710), (1753, 114940), (3284, 61355), (3506, 57470), (4105, 49084), (5747, 35060), (7012, 28735), (8210, 24542), (8765, 22988), (11494, 17530), (12271, 16420)]