2012064740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{2851}}^1$

素因数の和:3009

約数の個数: 72

約数和(自身を含む): 4899644736

約数和(自身を除く): 2887579996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 2851, 4970, 5041, 5702, 9940, 10082, 11404, 14255, 19957, 20164, 25205, 28510, 35287, 39914, 50410, 57020, 70574, 79828, 99785, 100820, 141148, 176435, 199570, 202421, 352870, 399140, 404842, 705740, 809684, 1012105, 1416947, 2024210, 2833894, 4048420, 5667788, 7084735, 14169470, 14371891, 28338940, 28743782, 57487564, 71859455, 100603237, 143718910, 201206474, 287437820, 402412948, 503016185, 1006032370, 2012064740]

約数ペア:

[(1, 2012064740), (2, 1006032370), (4, 503016185), (5, 402412948), (7, 287437820), (10, 201206474), (14, 143718910), (20, 100603237), (28, 71859455), (35, 57487564), (70, 28743782), (71, 28338940), (140, 14371891), (142, 14169470), (284, 7084735), (355, 5667788), (497, 4048420), (710, 2833894), (994, 2024210), (1420, 1416947), (1988, 1012105), (2485, 809684), (2851, 705740), (4970, 404842), (5041, 399140), (5702, 352870), (9940, 202421), (10082, 199570), (11404, 176435), (14255, 141148), (19957, 100820), (20164, 99785), (25205, 79828), (28510, 70574), (35287, 57020), (39914, 50410)]