2019580360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{17987}}^1$

素因数の和:18406

約数の個数: 64

約数和(自身を含む): 5206446720

約数和(自身を除く): 3186866360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 401, 802, 1604, 2005, 2807, 3208, 4010, 5614, 8020, 11228, 14035, 16040, 17987, 22456, 28070, 35974, 56140, 71948, 89935, 112280, 125909, 143896, 179870, 251818, 359740, 503636, 629545, 719480, 1007272, 1259090, 2518180, 5036360, 7212787, 14425574, 28851148, 36063935, 50489509, 57702296, 72127870, 100979018, 144255740, 201958036, 252447545, 288511480, 403916072, 504895090, 1009790180, 2019580360]

約数ペア:

[(1, 2019580360), (2, 1009790180), (4, 504895090), (5, 403916072), (7, 288511480), (8, 252447545), (10, 201958036), (14, 144255740), (20, 100979018), (28, 72127870), (35, 57702296), (40, 50489509), (56, 36063935), (70, 28851148), (140, 14425574), (280, 7212787), (401, 5036360), (802, 2518180), (1604, 1259090), (2005, 1007272), (2807, 719480), (3208, 629545), (4010, 503636), (5614, 359740), (8020, 251818), (11228, 179870), (14035, 143896), (16040, 125909), (17987, 112280), (22456, 89935), (28070, 71948), (35974, 56140)]