2705840

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 6361200

約数和(自身を除く): 3655360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 227, 298, 454, 596, 745, 908, 1135, 1192, 1490, 1816, 2270, 2384, 2980, 3632, 4540, 5960, 9080, 11920, 18160, 33823, 67646, 135292, 169115, 270584, 338230, 541168, 676460, 1352920, 2705840]

約数ペア:

[(1, 2705840), (2, 1352920), (4, 676460), (5, 541168), (8, 338230), (10, 270584), (16, 169115), (20, 135292), (40, 67646), (80, 33823), (149, 18160), (227, 11920), (298, 9080), (454, 5960), (596, 4540), (745, 3632), (908, 2980), (1135, 2384), (1192, 2270), (1490, 1816)]