202960400

素因数分解:

$2^4\times 5^2\times {\mathrm{507401}}^1$

素因数の和:507419

約数の個数: 30

約数和(自身を含む): 487613322

約数和(自身を除く): 284652922

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 507401, 1014802, 2029604, 2537005, 4059208, 5074010, 8118416, 10148020, 12685025, 20296040, 25370050, 40592080, 50740100, 101480200, 202960400]

約数ペア:

[(1, 202960400), (2, 101480200), (4, 50740100), (5, 40592080), (8, 25370050), (10, 20296040), (16, 12685025), (20, 10148020), (25, 8118416), (40, 5074010), (50, 4059208), (80, 2537005), (100, 2029604), (200, 1014802), (400, 507401)]