378889780

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{37663}}^1$

素因数の和:38175

約数の個数: 24

約数和(自身を含む): 797271552

約数和(自身を除く): 418381772

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 10060, 37663, 75326, 150652, 188315, 376630, 753260, 18944489, 37888978, 75777956, 94722445, 189444890, 378889780]

約数ペア:

[(1, 378889780), (2, 189444890), (4, 94722445), (5, 75777956), (10, 37888978), (20, 18944489), (503, 753260), (1006, 376630), (2012, 188315), (2515, 150652), (5030, 75326), (10060, 37663)]