2018220085

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{739}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 2879038080

約数和(自身を除く): 860817995

約数列:

[1, 5, 7, 35, 49, 71, 157, 245, 355, 497, 739, 785, 1099, 2485, 3479, 3695, 5173, 5495, 7693, 11147, 17395, 25865, 36211, 38465, 52469, 55735, 78029, 116023, 181055, 262345, 367283, 390145, 546203, 580115, 812161, 1836415, 2570981, 2731015, 4060805, 5685127, 8237633, 12854905, 28425635, 41188165, 57663431, 288317155, 403644017, 2018220085]

約数ペア:

[(1, 2018220085), (5, 403644017), (7, 288317155), (35, 57663431), (49, 41188165), (71, 28425635), (157, 12854905), (245, 8237633), (355, 5685127), (497, 4060805), (739, 2731015), (785, 2570981), (1099, 1836415), (2485, 812161), (3479, 580115), (3695, 546203), (5173, 390145), (5495, 367283), (7693, 262345), (11147, 181055), (17395, 116023), (25865, 78029), (36211, 55735), (38465, 52469)]