219971540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{478199}}^1$

素因数の和:478231

約数の個数: 24

約数和(自身を含む): 482025600

約数和(自身を除く): 262054060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 478199, 956398, 1912796, 2390995, 4781990, 9563980, 10998577, 21997154, 43994308, 54992885, 109985770, 219971540]

約数ペア:

[(1, 219971540), (2, 109985770), (4, 54992885), (5, 43994308), (10, 21997154), (20, 10998577), (23, 9563980), (46, 4781990), (92, 2390995), (115, 1912796), (230, 956398), (460, 478199)]