280762720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{250681}}^1$

素因数の和:250703

約数の個数: 48

約数和(自身を含む): 758062368

約数和(自身を除く): 477299648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 250681, 501362, 1002724, 1253405, 1754767, 2005448, 2506810, 3509534, 4010896, 5013620, 7019068, 8021792, 8773835, 10027240, 14038136, 17547670, 20054480, 28076272, 35095340, 40108960, 56152544, 70190680, 140381360, 280762720]

約数ペア:

[(1, 280762720), (2, 140381360), (4, 70190680), (5, 56152544), (7, 40108960), (8, 35095340), (10, 28076272), (14, 20054480), (16, 17547670), (20, 14038136), (28, 10027240), (32, 8773835), (35, 8021792), (40, 7019068), (56, 5013620), (70, 4010896), (80, 3509534), (112, 2506810), (140, 2005448), (160, 1754767), (224, 1253405), (280, 1002724), (560, 501362), (1120, 250681)]