216237860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{569047}}^1$

素因数の和:569075

約数の個数: 24

約数和(自身を含む): 478000320

約数和(自身を除く): 261762460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 569047, 1138094, 2276188, 2845235, 5690470, 10811893, 11380940, 21623786, 43247572, 54059465, 108118930, 216237860]

約数ペア:

[(1, 216237860), (2, 108118930), (4, 54059465), (5, 43247572), (10, 21623786), (19, 11380940), (20, 10811893), (38, 5690470), (76, 2845235), (95, 2276188), (190, 1138094), (380, 569047)]