209280260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1494859}}^1$

素因数の和:1494875

約数の個数: 24

約数和(自身を含む): 502272960

約数和(自身を除く): 292992700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1494859, 2989718, 5979436, 7474295, 10464013, 14948590, 20928026, 29897180, 41856052, 52320065, 104640130, 209280260]

約数ペア:

[(1, 209280260), (2, 104640130), (4, 52320065), (5, 41856052), (7, 29897180), (10, 20928026), (14, 14948590), (20, 10464013), (28, 7474295), (35, 5979436), (70, 2989718), (140, 1494859)]