268571920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{145963}}^1$

素因数の和:145999

約数の個数: 40

約数和(自身を含む): 651583296

約数和(自身を除く): 383011376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 145963, 291926, 583852, 729815, 1167704, 1459630, 2335408, 2919260, 3357149, 5838520, 6714298, 11677040, 13428596, 16785745, 26857192, 33571490, 53714384, 67142980, 134285960, 268571920]

約数ペア:

[(1, 268571920), (2, 134285960), (4, 67142980), (5, 53714384), (8, 33571490), (10, 26857192), (16, 16785745), (20, 13428596), (23, 11677040), (40, 6714298), (46, 5838520), (80, 3357149), (92, 2919260), (115, 2335408), (184, 1459630), (230, 1167704), (368, 729815), (460, 583852), (920, 291926), (1840, 145963)]