263903980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1\times {\mathrm{709}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 571112640

約数和(自身を除く): 307208660

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 503, 709, 740, 1006, 1418, 2012, 2515, 2836, 3545, 5030, 7090, 10060, 14180, 18611, 26233, 37222, 52466, 74444, 93055, 104932, 131165, 186110, 262330, 356627, 372220, 524660, 713254, 1426508, 1783135, 3566270, 7132540, 13195199, 26390398, 52780796, 65975995, 131951990, 263903980]

約数ペア:

[(1, 263903980), (2, 131951990), (4, 65975995), (5, 52780796), (10, 26390398), (20, 13195199), (37, 7132540), (74, 3566270), (148, 1783135), (185, 1426508), (370, 713254), (503, 524660), (709, 372220), (740, 356627), (1006, 262330), (1418, 186110), (2012, 131165), (2515, 104932), (2836, 93055), (3545, 74444), (5030, 52466), (7090, 37222), (10060, 26233), (14180, 18611)]