201780460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1441289}}^1$

素因数の和:1441305

約数の個数: 24

約数和(自身を含む): 484273440

約数和(自身を除く): 282492980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1441289, 2882578, 5765156, 7206445, 10089023, 14412890, 20178046, 28825780, 40356092, 50445115, 100890230, 201780460]

約数ペア:

[(1, 201780460), (2, 100890230), (4, 50445115), (5, 40356092), (7, 28825780), (10, 20178046), (14, 14412890), (20, 10089023), (28, 7206445), (35, 5765156), (70, 2882578), (140, 1441289)]